Dictionary

A

AI
computer

Artificial Intelligence : 1. a branch of computer science dealing with the simulation of intelligent behavior in computers 2. the capability of a machine to imitate intelligent human behavior

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Access Control List (ACL)
settings_ethernet

A list of rules which you use to allow or deny network traffic.

create Sopheak Ros

Anti-Virus
computer

A program that is used to protect your computer from virus.

create Chanlin Chort

Active Directory (AD)
settings_ethernet

a database or a directory service allows you to manage user account and computer account centrally.

create Chanlin Chort

Access Control List (ACL)
settings_ethernet

A list of rules which you use them to allow or deny network traffic.

create Otdom Duk

Active Directory (AD)
settings_ethernet

a database or a directory service allows you to manage user account and computer account centrally.

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Asymmetrical DSL
settings_ethernet

s designed to deliver bandwidth at different rates downstream than upstream.

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Anonymous
settings_ethernet

refer to people which we cannot identified them (everyone)

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Application Security
settings_ethernet

is the software, hardware or procedural methods to protect applications from external network. Sometime called Countermeasure

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Application Software
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Is a program or group of programs designed for end users. 

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Access Layer (hierarchical design model)
settings_ethernet

is the layer that responsible for connect end device to the network.

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create Sopheak Ros

Application layer (OSI)
settings_ethernet

"is a layer in OSI model that responsible for determining when the device need to access to the network is required. Example: you use skype chat to your friend, so it will determin how skype app access to network. "

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create Sopheak Ros

Auxilary cable ​(AUX)
settings_ethernet

is the cable use to connect access directly to switch or router with AUX port. AUX cable have two part of connector, one is SERIAL port that needs to connect to modem and other is Rolled cable connect to AUX port. We can connect access far from the work place because modem can connect with phone line.

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create Sopheak Ros

Authorization
settings_ethernet

Refer to the process of giving permission to user when they login the computer after Authentication.

create Chanlin Chort

Aging
settings_ethernet

is the process that determines whether a stale DNS resource record should be removed from the DNS database  

create Chanlin Chort

Account Template
settings_ethernet

Account template is an account that lets you to create a new account by using old description of account template.

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Administrator
settings_ethernet

A name of user who has permission full control on Windows Operating System.

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Algorithm
code

a procedure or formula for solving a problem.

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Adaptive Security Appliance (ASA)
settings_ethernet

A hardware firewall that developed by Cisco company.

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Android
computer

an operating system developed by Google company that is widely used in many different kinds of mobile devices like Samsung Galaxy or Sony Xperia.

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Authentication
settings_ethernet

The process of verifying the identify normally with username & password

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ARPANet
settings_ethernet

The Advanced Research Projects Agency Network (ARPANET) was the network that became the basis for the Internet.

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Address Resolution Protocol (ARP)
settings_ethernet

a protocol that uses IP address to lookup for MAC address.

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B

Boot Devices
settings_ethernet

any device or drive that has the required boot files that allows the computer to start.

create Chanlin Chort

Best Effort Delivery
settings_ethernet

Unreliable simply means that IP does not have the capability to manage and recover from undelivered or corrupt packets

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Broadband cable
settings_ethernet

Typically offered by cable television service providers, the Internet data signal is carried on the same coaxial cable that delivers cable television

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create Otdom Duk

Backup Designated Router (BDR)
settings_ethernet

A router which works just like DR when DR fails.

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create Otdom Duk

Banner Motd
settings_ethernet

Banner Motd is a option which has in Switch or Router for notification for users while they are login into Switch or Router

panorama
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BOOTP
settings_ethernet

Bootrap Protocol (BootP), a network protocol used to dynamically assign various IP parameters to clients at boot time and may be used to boot remote computers over a network. It is similar to DHCP.

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Backup
settings_ethernet

Is the process of copying data from one machine to another machine in order to keep your data safe.

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Broadcast
computer

Refer to a transmission to all destinations.

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Bandwidth
settings_ethernet

Refer to the amount of data that can be transmitted in a fixed amount of time.

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Bootstrap
settings_ethernet

The initial program on a Cisco products (routers or switches) that enables the first operation.

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Barcode reader
computer

a device using to read barcode.

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Barcode
computer

The combination of black and white bars (elements) represents different text characters.

panorama
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Backup Designated Router (BDR)
settings_ethernet

A router which works just like DR when DR fails.

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Broadcast domain
settings_ethernet

An area where broadcast message is reachable, normally a router is a device to stop the broadcast, so one port of router equal to 1 broadcast domain.

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Bring Your Own Device (BYOD)
settings_ethernet

the practice of allowing the employees of an organization to use their own computers, smartphones, or other devices for work purposes.

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Bus topology
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A very old topology which all computers are connected to a main cable called backbone.

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Bridge
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An old version of switch device which has two ports.

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Bit
settings_ethernet

a small part of something or the smallest unit of information on a machine which represent in 1 or 0.

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Border Gateway Protocol (BGP)
settings_ethernet

a standardized exterior gateway protocol designed to exchange routing and reachability information among autonomous systems (AS) on the Internet.

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Baseline
settings_ethernet

a minimum or starting point used for comparisons.

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C

CSS
code

CSS stands for Cascading Style Sheets is a rule based language that applies styling to HTML elements. We write CSS rules in elements and modify properties of those elements such as color, background color, width, border thickness, font size, etc.

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Computer Account
computer

An account in Active Directory which is created for every computer normally after joined the domain.

create Chanlin Chort

CMSA
settings_ethernet

CSMA process is used to first detect if the media is carrying a signal.

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configuration mode
settings_ethernet

Global configuration mode is used to configure your system globally, or to enter specific configuration modes to configure specific elements such as interfaces or protocols

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Copy startup-config running-config
settings_ethernet

Command used to save the configuration on Cisco IOS from Memory into NVRAM

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Cellular
settings_ethernet

is what mobile phone networks are based on, and it's the technology that gave mobile phones the name “cell phones”.

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Circuit Switching
settings_ethernet

a telecommunication technology that is used to provide a dedicated connection​ or a single path between two nodes.

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Computer Account
settings_ethernet

An account in Active Directory which is created for every computer normally after joined the domain.

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Converging Networks
settings_ethernet

Converged data networks carry multiple services on one network.

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Cellular
settings_ethernet

Cellular Internet access uses a cell phone network to connect.

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Cache
settings_ethernet

Refer to a place ​​to store something temporary in a computer, server and other devices.

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Crosstalk
settings_ethernet

Refer to a signal which bothers a communication.

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Core layer (hierarchical design model)
settings_ethernet

is the layer that design for responsible to provides an optimized and reliable transport structure by forwarding traffic at very high speeds as fast as possible. Devices at the core layer should not be burdened with any processes that stand in the way of switching packets at top speed.

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Computer virus
settings_ethernet

is a program or codes which create in order to destroy, steal your data or make your computer has problem. Example: your computer is auto restart without any reason.

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Collision domain
settings_ethernet

is a section of a network connected by a shared medium where data packets can collide with one another when being sent, particularly when using early versions of Ethernet.

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Cable Jacket
settings_ethernet

is protective outer covering for a cable. Depending on the intended use for the cable and the operational environment, it may protect against moisture, abrasion, magnetic fields, radiation, and so on.

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create Sopheak Ros

Console Cable
settings_ethernet

is the cable use to connect access directly to switch or router with console port. Console cable have two part of connector, one is SERIAL port that needs to go to the serial/COM port on your PC or laptop other one is a ROLLED cable.

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Connectionless
settings_ethernet

Is the type of connection which is use by UDP protocol in order to communicate with other devices. When it transfers data, it never ensure the connection before.

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Crossover
settings_ethernet

Refer to a network cable used to plug the same device.

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CUPS
settings_ethernet

Common Unix Printing System (CUPS) is the software used to managing printing from applications which operation in Linux based.

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Circuit Switching
settings_ethernet

a telecommunication technology that is used to provide a dedicated connection​ or a single path between two nodes.

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Compiler
settings_ethernet

is a program that translate human readable text instruction (Source Code) into computer language (Binary). Example: gcc

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Clusters
settings_ethernet

Are a group of sectors.

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Confidentiality
computer

the process of protecting the data from the unauthorized people.

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Chipset
settings_ethernet

a group of microchips that can be used together to serve a single function and sold as a unit.

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Cookie
settings_ethernet

A tiny file where it can store some information you have been accessed or maybe your password. You may find it in web browser.

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Cross Platform
settings_ethernet

Able to be used on different types of devices.

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CRC
settings_ethernet

A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks to prevent the change of data.

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CPU
settings_ethernet

Central Processing Unit, known as brain of computer.

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Command Line Interface (CLI)
settings_ethernet

A user interface where you can only use keyboard to do your tasks without any beautiful graphic​ and basically you can see it is widely used with Linux operating system.

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Centralized Management
settings_ethernet

The practice of managing the whole network infrastructure from one place.

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Client
settings_ethernet

A machine that uses services provided by server.

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Carrier sense multiple access with collision avoidance (CSMA/CA)
settings_ethernet

an access method used in wireless network to avoid collision.

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Communication
settings_ethernet

the transmission of data from one computer to one or more using at least one medium.

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Cisco Discovery Protocol (CDP)
settings_ethernet

It is layer 2 Cisco protocol that let us know the information of directly connected devices .

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Cancellation
settings_ethernet

Is the process of stopping or discard something that is unaceptable or unable to read data.

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D

Differentiated Services (DS)
settings_ethernet

used to determine the priority of each packet

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Data Collision
settings_ethernet

It is process will fail and two devices will transmit at the same time. If this occurs, the data sent by both devices will be corrupted and will need to be resent.

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Designated Router (DR)
settings_ethernet

In OSPF, DR is a router that is responsible for managing the exchange of routing update information.

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Database
settings_ethernet

a collection of information organized in such a way that can access or select data from it easily.

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Data Center
settings_ethernet

Normally refer to a standard room for housing servers or storage systems equipped with cooling system and fast network.

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Domain name
settings_ethernet

a format like facebook.com or pnc.lan and used to identify an organization

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Distribution Denial of Service (DDoS)
settings_ethernet

Type of attack where multiple systems attack a single target system. It is sometimes called Zombie attack.

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Denial of Service Attacks
settings_ethernet

attacks designed to slow or crash applications and processes on a network device

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Dial-up Telephone
settings_ethernet

An inexpensive option that uses any phone line and a modem

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DSL
settings_ethernet

Digital Subscriber Line: Internet technology for homes and small businesses using telephone lines

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Default gateway
settings_ethernet

A way that allow clients access to other network or Internet.

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DNS Zone
settings_ethernet

A portion/part of DNS Server which contains all name information used to be translated.

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Domain Controller (DC)
settings_ethernet

Any servers that run directory service like Active Directory or OpenLDAP.

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Domain Name System (DNS)
settings_ethernet

a system which used to translate from domain name to IP address and vice versa.

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Dynamic Host Configuration Protocol (DHCP)
settings_ethernet

A server that assigns IP address to client machines automatically.

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Document Network Addressing
settings_ethernet

to identify information regarding to network device which connected in the network for operating.

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Delegation of Control Wizard
settings_ethernet

It's the Wizard interface which we used to customize permission based object (Users,group,..) we want manage

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Data Encryption
settings_ethernet

Is the process to convert data from human readable to binary code or other, in oder to prevent from other seeing.

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DNS Zone Transfer
settings_ethernet

Is the synchronization of authoritative DNS zone data between DNS servers.

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Decryption
settings_ethernet

Refer to the process of converting scrambled or encrypted data back into its original form.

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Distribution Layer​ (hierarchical design model)
settings_ethernet

is the layer that design for responsible to connect access layer to core layer. The purpose of this layer is to provide filters to limit what gets into the core.

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create Sopheak Ros

de-encapsulation
settings_ethernet

is the process of extract from bottom to top layer in OSI model by remove information component ( header, trailer..) from layer to other layer to get the real data. Example: de-encapsulation from bits to Frame, from frame to packet ….

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create Sopheak Ros

Data link layer (OSI)
settings_ethernet

"is a layer in OSI model that responsible for Frame that handle flow control and add Mac address in to frame. Note: It add source and destination Mac address to frame in order to finde way to destination and back to sender. "

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Drivers
settings_ethernet

Is a small software that allows computer hardware to communicate with operating system.

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Dynamic Update
settings_ethernet

Is the process of a DNS client dynamically creating, registering, or updating its records in DNS zones.

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Dial-up networking
settings_ethernet

s the process of a remote access client making a temporary dial-up connection to a physical port on a remote access server by using the service of a telecommunications provider.

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DNS Forwarder
settings_ethernet

Is a DNS server designated by other internal DNS servers to forward queries for resolving external or offsite DNS domain names

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DNS Query
settings_ethernet

Is a request for name resolution to a DNS server.

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DNS (Domain Name System)
settings_ethernet

Is a service or server that translate domain names into IP address.

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Delegation
computer

Is the assignment of responsibility or authority to another person to carry out specific activities.

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Database
computer

a collection of information organized in such a way that can access or select data from it easily.

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create Vichhaiy SEREY

DSL (Digital Subscriber Line)
settings_ethernet

Internet technology for homes and small businesses using telephone lines.

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Dense wavelength division multiplexing (DWDM)
settings_ethernet

a fiber-optic transmission technique that employs light wavelengths to transmit data.

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Data Encryption Standard (DES)
settings_ethernet

a common standard for data encryption.

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Designated Router (DR)
settings_ethernet

In OSPF, DR is a router that is responsible for managing the exchange of routing update information.

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Direct-attached storage (DAS)
settings_ethernet

A computer storage that is connected to one computer and not accessible to other computers. For example, USB or Hard disk.

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DOS attack
settings_ethernet

An attack to deny a service from being accessed.

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Desktop Computer
settings_ethernet

A personal computer designed to place in a location.

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Download
settings_ethernet

to get data or files from Internet to your local computer.

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E

Efficiency
computer

the state or quality of being efficient.

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Efficiency
computer

the state or quality of being efficient: greater energy efficiency.

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Ethernet
settings_ethernet

Is a operation in the data link and Physical Layer, which support different media, bandwidths (Supports data bandwidths of 10, 100, 1000, 10,000, 40,000, and 100,000 Mbps (100 Gbps) )

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EXEC mode
settings_ethernet

Usually called, privileged mode is a path where Cisco IOS used to allow IT administrator can use with the basic command (show,copy...)

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extranet
settings_ethernet

provide secure and safe access to individuals who work for a different organizations, but require company data.

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EtherChannel
settings_ethernet

A technology allows grouping of several physical Ethernet links to create one logical Ethernet link for the purpose of providing fault-tolerance and high-speed links between switches, routers and servers.

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Encoding
settings_ethernet

is the process of converting information into another, acceptable form, for transmission

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Encription
computer

A process of converting plain text to a scrambled or unreadable text.

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Ethernet straight-through cable
settings_ethernet

is kind of Ethernet cable that use to connect the different type of device. Example: computer to Switch, Switch to Router…

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End Device
settings_ethernet

is the device that use the last connection (endpoint) in a networked system. For example, a user's PC is an end device,Voip phone and so is a server. End device connect to with end device or to the network by Switch, Router or other equipment.

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Extranet
settings_ethernet

is a private network that uses Internet technology and the public telecommunication system to securely share part of a business's information or operations with suppliers, vendors, partners, customers, or other businesses.

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Encapsulation
settings_ethernet

Is the packing of data and functions into a single component.

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EtherChannel
settings_ethernet

A technology allows grouping of several physical Ethernet links to create one logical Ethernet link for the purpose of providing fault-tolerance and high-speed links between switches, routers and servers.

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Email client
settings_ethernet

A software like Microsoft Outlook or Mozilla Thunderbird that we use them to send or receive email.

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Enhanced Interior Gateway Routing Protocol (EIGRP)
settings_ethernet

An advanced distance vector routing protocol of Cisco.

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F

Full duplex
settings_ethernet

A type of transmission which the data can be transmitted in both directions at the same time.

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Firewall
settings_ethernet

a hardware or system that can protect your network​ from threats.

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Flow Control
settings_ethernet

Referring to how much information can be sent and the speed that it can be delivered

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Fault Tolerance
settings_ethernet

is one that limits the impact of a failure, so that the fewest number of devices are affected by it.

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Forward lookup zone
settings_ethernet

Type of DNS zone which translates domain name to IP address.

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File Transfer Protocol (FTP)
settings_ethernet

A service which enables users to access files share, normally over the Internet.

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Form factor
settings_ethernet

is the specification of a motherboard – the dimensions, power supply type, location of mounting holes, number of ports on the back panel, etc.

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Full Duplex
settings_ethernet

Refers to the transmission of data in two directions simultaneously. For example, a telephone is a full-duplex device because both parties can talk at once. In contrast, a walkie-talkie is a half-duplex device because only one party can transmit at a time.

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Fiber Optic
settings_ethernet

Fiber optic (or "optical fiber") is the kind of media that use technology associated with the transmission of information as light impulses along a glass or plastic wire or fiber.

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Full Backup
settings_ethernet

Is the process of copying all data to the safe place.

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Frame
settings_ethernet

is the data in Data link layer of OSI Model that contains a header field and a trailer field. In Frame header field, has source and Destination MAC address.

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Forest Domain
settings_ethernet

Forest domain is a creation new domain tree as an independent domain and is used to define as a logical group of network objects such as Computers, Users and Devices. It also can collect of one or more domain and domain trees in a namespace.

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File System
settings_ethernet

is the way in which files are named and where they are placed on storage devices. Example: NTFS, FAT32, EXT2, EXT3

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Full-duplex
settings_ethernet

A type of transmission which the data can be transmitted in both directions at the same time.

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Fiber to the Home (FTTH)
settings_ethernet

is a term to describe the internet connection of home user which using fiber optic. “Fiber to the Home”

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Fragment Free
settings_ethernet

A switching method used in switch which it receives 64 bytes of frame and then it forwards to destination.

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Flow Control
settings_ethernet

Flow control is the management of data flow between computers.

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Flash memory
settings_ethernet

A memory chip used for storing data, sometimes you can call a USB.

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Fixed configuration switch
settings_ethernet

" One type of switch which you cannot manage or upgrade, sometimes we can call simple switch.

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FireWire
settings_ethernet

connector just like USB that provides a high-speed connection between a computer and peripheral devices.

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FastEthernet
settings_ethernet

Is a transmission standard that provide a data rate of 100 Mbps.

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Fast-forward
settings_ethernet

A switching method used in switch device and it received only destination MAC address and then sent out to the destination.

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G

Group Policy
settings_ethernet

A settings used for managing Active Directory objects such as user or computer accounts.

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Group
settings_ethernet

In Active Directory, a group is an object that can contain other groups or user accounts as its members.

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Group
computer

In Active Directory, a group is an object that can contain other groups or user accounts as its members.

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Group Policy
settings_ethernet

A settings used for managing Active Directory objects such as user or computer accounts.

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H

HTML
code

HTML stands for Hyper Text Markup Language. HTML is used to create web pages and it is widely used language on the web. We can create a static website by HTML only.

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Hexadecimal
computer

relating to or using a system of numerical notation that has 16 rather than 10 as its base.

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Half duplex
settings_ethernet

A communication system allows the transmission of signals in both directions but not simultaneously(at the same time).

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Hightly Available (HA)
settings_ethernet

It refer to condition or process to make sure service or network in organization can guarantee 99.999% up

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Hotspot
settings_ethernet

This is a term refers to places that have wireless Internet connections.

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Haft Duplex
settings_ethernet

Refers to the transmission of data in one directions at the a time. For example: a walkie-talkie is a half-duplex device because only one party can transmit at a time.

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Hostname
settings_ethernet

Refer to name of network devices.

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HyperText Transfer Protocol (HTTP)
settings_ethernet

a protocol which is used on a web server to deliver websites to web clients like Firefox or Chrome.

create Vichhaiy SEREY

Host
settings_ethernet

refer to any devices that can assign IP address.

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Heatsink
settings_ethernet

a device or substance for absorbing excessive or unwanted heat.

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High-Level Data Link Control (HDLC)
settings_ethernet

A layer 2 protocol used for serial interface transmission.

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Half-duplex
settings_ethernet

A communication system allows the transmission of signals in both directions but not simultaneously(at the same time).

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Hub
settings_ethernet

a legacy device used to connect between computers.

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I

IP Media Independent
settings_ethernet

IP operates independently of the media that carry the data at lower layers of the protocol stack.

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IANA
settings_ethernet

Is an Organization which used to manage all public IP in which using in the word.

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ICANN
settings_ethernet

Is an Organization which used to manage all domain in which hosting in the word.

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IPv6
settings_ethernet

Internet Protocol Version 6 (IPv6) is an Internet Protocol (IP) used for carrying data in packets from a source to a destination over various networks. IPv6 is the enhanced version of IPv4 and can support very large numbers of nodes as compared to IPv4.

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Intranet
settings_ethernet

is a term often used to refer to a private connection of LANs and WANs that belongs to an organization, and is designed to be accessible only by the organization's members, employees, or others with authorization.

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create Otdom Duk

IP Address
settings_ethernet

An unique address assigned to a computer in order to be able to communicate with each other over the network or the Internet.

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iptables
settings_ethernet

Is the program used to control the packet filtering capabilities of the netfilter framework in the Linux kernel.

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In-of-band
settings_ethernet

It used to remote from Secure Shell (SSH) and Telnet in the network, while network devices already assigned the IP address.

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IP Default Gateway
settings_ethernet

An IP address that is assumed to know how to forward packets on to other networks.

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Incremental backup
settings_ethernet

The process of backup only the new files.

create Chanlin Chort

Inheritance permission
settings_ethernet

parent container is a permission set on Child containers and their objects inherit permissions.

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Information Security
settings_ethernet

Information security is the process of protecting the availability, privacy, and integrity of data

create Otdom Duk

Intrusion Prevention system (IPS)
settings_ethernet

is a device or software application that monitors and tack action on the network traffic for malicious activity or policy violations. Any detected activity or violation is typically drop and reported either to an administrator.

create Sopheak Ros

Intrusion detection system (IDS)
settings_ethernet

is a device or software application that monitors a network or systems for malicious activity or policy violations. Any detected activity or violation is typically reported either to an administrator.

panorama
create Sopheak Ros

Interface (on router)
settings_ethernet

is the way we call physical port on router when view in logical way.

panorama
create Sopheak Ros

Internet layer ( TCP/IP)
settings_ethernet

"is a layer in TCP/IP model that responsible how systems on different network segments find each other and define the best path to destination. "

create Sopheak Ros

Intranet
settings_ethernet

is a private network accessible only to an organization's staff.

panorama
create Sopheak Ros

Intermediary Device
settings_ethernet

is the device that make the path connects data from source to destination. Example: Switch, Router, Hub, bridge..

panorama
create Sopheak Ros

IOE ( Internet of Everything)
settings_ethernet

"Internet of Everything (IoE) is the networked connection of people, process, data, and things to be connectedness creates as “everything” comes online."

panorama
create Sopheak Ros

IMAP
settings_ethernet

all emails are kept on the server and the MUA only checks emails on this server

panorama
create Otdom Duk

Internet Small Computer Systems Interface (iSCSI)
settings_ethernet

a way of connecting storage devices over a network using TCP/IP.

create Vichhaiy SEREY

Internetwork Operating System (IOS)
settings_ethernet

a​ network operating system that is used by Cisco switch and router.

create Vannakpanha Mao

iOS
computer

an operating system used for mobile devices manufactured by Apple Inc.

create Vichhaiy SEREY

Integrity
computer

The process of ensuring data not to be modified by someone.

create Vichhaiy SEREY

Internet Service Provider
settings_ethernet

(Internet Service Provider) the company that provides the Internet Service; Ezecom as an example.

create Vichhaiy SEREY

IP Address
settings_ethernet

An unique address assigned to a computer in order to be able to communicate with each other over the network or the Internet.

create Vichhaiy SEREY

Internet
settings_ethernet

A public network where anyone from anywhere of the world can communicate, work and share together.

create Vichhaiy SEREY

Internet Control Message Protocol (ICMP)
settings_ethernet

It is a protocol which is used to PING in order to test network connection.

create Vichhaiy SEREY

J

JavaScript
code

JavaScript is a programming language used to make web pages interactive. It is what gives a page life, the interactive elements and animation that engage a user. If you've ever used a search box on a home page, checked a live baseball score on a news site or watched a video, JavaScript is probably running through it. It's an object oriented programming language.

panorama
create Benoit Pitet

K

Kernel
computer

an important part of Operating System. Example: Linux Kernel is used by every Linux distribution like Ubuntu or Redhat.

create Chanlin Chort

L

Linux
settings_ethernet

An open source operating system that widely uses as a server machine.

create Chanlin Chort

Logical Link Control (LLC)
settings_ethernet

is used to communicate with the upper layers of the application, and transition the packet to the lower layers for delivery.

panorama
create Otdom Duk

Leased Lines
settings_ethernet

is a dedicated connection from the service provider to the customer premise. with speed, T1,T3

create Otdom Duk

Logical Volume Manager (LVM)
settings_ethernet

is a tool that is used to manage partition in Linux.

create Chanlin Chort

Legacy Inter-VLAN routing
settings_ethernet

it kinds of inter-VLAN for allowing different VLAN can commnicate each other across router but it requires one physical interface on router per VLAN.

create Otdom Duk

LdapAdmin
settings_ethernet

is a free Windows LDAP client and administration tool for remote into LDAP directory management Service

panorama
create Otdom Duk

Loging
settings_ethernet

The process of recording events, with automatic on computer program, that can be used to understand the activity of the system and to diagnose problems.

panorama
create Otdom Duk

Loopback interface
settings_ethernet

is a virtual interface that resides on a router. It is not connected to any other device. Loopback interfaces are very useful because they will never go down, unless the entire router goes down.

create Sopheak Ros

liquid crystal display(LCD) Monitor
settings_ethernet

is the technology used for displays in notebook and other smaller computers.

panorama
create Sopheak Ros

Local Printer
settings_ethernet

is an external hardware output device responsible for taking electronic data stored on a computer generating a hard copy of that data and need to connect directly to computer. Note: Local printer don't have (Network Interface Card).

panorama
create Sopheak Ros

Laptop​​​ computer
settings_ethernet

A computer that is portable and suitable for use while traveling.

create Vichhaiy SEREY

Local Area Network (LAN)
settings_ethernet

A network that connects computers and other devices in a small area or within an organization/company.

create Vichhaiy SEREY

M

Message Format
settings_ethernet

Form of Message which used to send to destination.

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create Otdom Duk

Message Encoding
settings_ethernet

is the process of converting information into another, acceptable form, for transmission.

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create Otdom Duk

MAC Address
settings_ethernet

A MAC (Media Access Control) address is a hardware identification number that uniquely identifies each device on a network. Sometimes, it is called physical address or hardware address.

panorama
create Otdom Duk

Multicast 
settings_ethernet

the process of sending a packet from one host to a selected group of hosts, possibly in different networks

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create Otdom Duk

Message Delivery Options
settings_ethernet

is the way, which source send information/data to destination (one to one or one to many)

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create Otdom Duk

Message Timing
settings_ethernet

is a period which message has been sent from source to the destination.

create Otdom Duk

Message size
settings_ethernet

is necessary to break the message into smaller pieces for transmission

create Otdom Duk

Metro Ethernet
settings_ethernet

Metro Ethernet is typically available from a provider to the customer premise over a dedicated copper or fiber connection providing bandwidth speeds of 10 Mb/s to 10 Gb/s.

create Otdom Duk

Media
settings_ethernet

Media (in Networking) refer to Network connection, which used to connect from one device to another device in the network​. Such as: Wireless connection, copper (UTP, Coxial) and Fiber optic.

panorama
create Otdom Duk

Mail Server
settings_ethernet

Is an application that receives/send message from one user to another user by using electronic mail (E-mail)

create Chanlin Chort

MAC address flooding attack
settings_ethernet

is a type of network attack where an attacker connected to a switch port floods the switch interface with very large number of Ethernet frames with different fake source MAC address.

create Sopheak Ros

Malwaer or malicious softare
settings_ethernet

is software that is specifically designed to gain access or damage a computer without the knowledge of the owner. There are various types of malware including spyware, keyloggers, true viruses, worms, or any type of malicious code that infiltrates a computer.

create Sopheak Ros

Malware
settings_ethernet

Malware or Malicious Software, is a kind of software that is designed to disrupt and damage your system.

create Chanlin Chort

MUA
settings_ethernet

Mail User Agent is a process which allow user can download/view mail from mailbox server which delivered by MDA into Mailbox in the server

create Otdom Duk

MDA
settings_ethernet

Mail Delivery Agent is the process for delivery email from source to Mailbox of destination based on MTA

create Otdom Duk

MTA
settings_ethernet

MTA receives an email, it checks first if the recipient of the email is an existing user on the local machine.

create Otdom Duk

Mouse
settings_ethernet

is the device use to input signal in to computer in order to control the action movement object on the graphic interface.

panorama
create Sopheak Ros

Multi-touch
computer

technology that you can use your fingers to touch and control your mobile phone or tablet.

panorama
create Vichhaiy SEREY

Monitor
computer

A hardware to display the information from computer.

create Vichhaiy SEREY

Multiuser
settings_ethernet

A multiuser system allows many users can login at the same time.

create Vichhaiy SEREY

Multitasking
settings_ethernet

Able to do many tasks at the same time.

create Vichhaiy SEREY

Metropolitan Area Network (MAN)
settings_ethernet

The kind of network which connect network from one country to other countries.

create Vichhaiy SEREY

MAC Address
settings_ethernet

A MAC (Media Access Control) address is a hardware identification number that uniquely identifies each device on a network. Sometimes, it is called physical address or hardware address.

create Vichhaiy SEREY

Multilayer Switch
settings_ethernet

a switch device which operates on both layer 2 and layer 3 of OSI Model.

create Vichhaiy SEREY

Mesh Topology
settings_ethernet

Is a method that all devices connected each others in order to traffic the data more than one way.

create Vichhaiy SEREY

N

Network-attached Storage (NAS)
settings_ethernet

a type of dedicated file storage device that is used to share file across the Ethernet network or LAN.

create Chanlin Chort

Network device
settings_ethernet

Any device used to connect computers together like Switch or Router.

create Chanlin Chort

Network Access Layer
settings_ethernet

Controls the hardware devices and media that make up the network

create Otdom Duk

NTP
settings_ethernet

Network Time Protocol (NTP) a protocol used to synchronize the clocks of computer systems through networks

create Otdom Duk

Network Bridge
settings_ethernet

An old version of switch device which has two ports.

create Otdom Duk

Network device
settings_ethernet

Any device used to connect computers together like Switch or Router.

create Otdom Duk

NIC
settings_ethernet

Network Interface Card (NIC) is a physical interface which built-in with devices such as: Computer, Router, Switch,...

panorama
create Otdom Duk

Network Address Translation (NAT)
settings_ethernet

A methodology which is used by router or firewall to translate one network to another especially between private and public network or Internet.

create Chanlin Chort

Non-repudiation
settings_ethernet

Nonrepudiation is the assurance that someone cannot deny something.

create Otdom Duk

Next Hop
settings_ethernet

is a routing term that refers to the next closest router a packet can go through. The next hop is among the series of routers that are connected together in a network and is the next possible destination for a data packet. Example: picture bellow R2 is next hop of R1 and R3 is next hop of R2...

panorama
create Sopheak Ros

Native VLAN
settings_ethernet

is the only VLAN which is not tagged in a trunk, in other words, native VLAN frames are transmitted unchanged. Per default the native VLAN is VLAN 1 but you can change

create Sopheak Ros

Network interface card (NIC)
settings_ethernet

is a circuit board or card that is installed in a computer so that it can be connected to a network.Note: if your computer doesn't have NIC or WNIC (wireless Network Interface Card) , you can't access to network.

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create Sopheak Ros

Network layer (OSI)
settings_ethernet

"is a layer in OSI model that responsible how systems on different network segments find each other. Note: In Network layer, it will add IP address to packet in order to send data to receiver in network. "

create Sopheak Ros

Nslookup
settings_ethernet

Is a command-line utility used to diagnose DNS infrastructure.

panorama
create Chanlin Chort

Network access client
settings_ethernet

Refer to a client that trying to connect into network structure to be connected

panorama
create Otdom Duk

Network access server
settings_ethernet

is a system that provides access to a network.

panorama
create Otdom Duk

Nesting Group
computer

Is the adding a group as a member to another group or there many groups in the same group.

panorama
create Chanlin Chort

Network Printer
settings_ethernet

is a printer that is connected to a computer network and can be accessed from many different computers.

create Chanlin Chort

Network media
settings_ethernet

refers to the cables linking computers or network devices.

create Vichhaiy SEREY

Network Topology
settings_ethernet

is used to show or demonstrate your network via different types of diagram or format.

create Vichhaiy SEREY

Network Time Protocol (NTP)
settings_ethernet

a protocol used to synchronize the clocks of computer systems through networks

create Vichhaiy SEREY

Network
settings_ethernet

A group of computers connect and share resources together.

create Vichhaiy SEREY

O

out-of-band
settings_ethernet

It used to remote from auxiliary (AUX) and console port by special cable. Serial cable.

create Otdom Duk

OpenFire
settings_ethernet

is a real time collaboration (RTC) server licensed under the Open Source Apache license. It uses the only protocol for instant messaging.

panorama
create Otdom Duk

Open Systems Interconnection (OSI) model
settings_ethernet

"is a model standard which is used for data network transmition, design, operation specification and troubleshooting in the network. "

panorama
create Sopheak Ros

OpenVPN
settings_ethernet

is an open-source software application that implements virtual private network (VPN) techniques for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities

panorama
create Otdom Duk

OpenLDAP
settings_ethernet

Is a service that is run on the Open Source like SUSE Linux, CentOS – etc, in order to create computer objects and it does not need to pay money for installation this service.

create Chanlin Chort

ObjectClass
settings_ethernet

It is a part of object that belonged to of object class in LDAP tree​ such as OU, Group Account and User Account.

create Chanlin Chort

OSPF adjacency
settings_ethernet

occurs when OSPF routers become neighbors and able to exchange routing updates.

create Vichhaiy SEREY

Operating System (OS)
settings_ethernet

Is a software that controls a computer.

panorama
create Chanlin Chort

Open Source
settings_ethernet

a software for which the original source code is made freely available and may be redistributed and modified.

create Vichhaiy SEREY

Open Shortest Path First (OSPF)
settings_ethernet

A popular link-state routing protocol that is used in many medium-to-enterprise companies.

create Vichhaiy SEREY

P

Proxy
settings_ethernet

A type of server or firewall that is used to control internet traffic such as block unwanted websites or limit Internet bandwidth.

create Chanlin Chort

Power-on self-test (POST)
settings_ethernet

tests all the hardware components

create Otdom Duk

Payload
settings_ethernet

Contains the Layer 4 segment information and the actual data.

create Otdom Duk

Putty
settings_ethernet

A terminal program for Windows and Unix platforms that enables users to remotely access computers over the Internet. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port.

create Otdom Duk

Personal Area Network (PAN)
settings_ethernet

Type of network used to wirelessly connect personal devices like computer, phone or mouse​ using bluetooth.

create Otdom Duk

Putty
settings_ethernet

A terminal program for Windows and Unix platforms that enables users to remotely access computers over the Internet. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port.

panorama
create Otdom Duk

Powerline Networking
settings_ethernet

an emerging trend for home networking that uses existing electrical wiring to connect devices

panorama
create Otdom Duk

Partition
settings_ethernet

the logical parts of your hard disk​ for data storage.

create Chanlin Chort

Physical topology
settings_ethernet

A diagram which shows location of network devices such as switches, routers, computers or printers as well as cable installation.

create Otdom Duk

Preventing permission Inheritance
settings_ethernet

To move permission from inheristance permission

panorama
create Otdom Duk

Physical Access Control
settings_ethernet

The concept to protect in company, organization or area from outside which trying to access by physical method

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create Otdom Duk

Protocol
settings_ethernet

A standard or language which allows two things (can be computers) to be able to communicate with each other.

create Chanlin Chort

Power over Ethernet (PoE)
settings_ethernet

is a technology for wired Ethernet LANs (local area networks) that allows the electrical current necessary for the operation of each device to be carried by the data cables rather than by power cords.

panorama
create Sopheak Ros

Physical layer (OSI)
settings_ethernet

"is a layer in OSI model that responsible to convert packet or data in to bits that can transmition over media. Note: bits has two value 0 and 1. "

create Sopheak Ros

Presentation Layer (OSI)
settings_ethernet

"is a layer in OSI model that responsible for ensure data is received in a useable format when recieve and data encryption is done when transmition. Ex. When you receive chat from your friends and can read, it mean useable format. "

panorama
create Sopheak Ros

POP3
settings_ethernet

Post Office Protocol Version 3 is used, the email is transferred to the client computer; additionally it can be kept on the server.

create Otdom Duk

PPTP VPN
settings_ethernet

Refer to technology which enable authorized remote users to connect to the VPN network using their existing Internet connection and then log on to the VPN using password authentication

panorama
create Otdom Duk

Print Queue
settings_ethernet

Collection of Print Jobs waiting to be printed by the specific printer.

create Otdom Duk

Print Job
settings_ethernet

Any document sent to printer.

panorama
create Otdom Duk

Printer Driver
settings_ethernet

Software that allows application to communicate with specific printers.

panorama
create Otdom Duk

Platform
settings_ethernet

Refers to hardware or software that can enable electronic devices to operate.

create Chanlin Chort

Peer to Peer Network
settings_ethernet

Peer to peer network is network connection between one computer to one computer or other devices to share resources.

panorama
create Chanlin Chort

Permission
computer

Is the allowing or granting to someone (users account) in order to do anything.

create Chanlin Chort

Physical Volume
settings_ethernet

is a block device such as a partition or whole disk.

panorama
create Chanlin Chort

Partitioning
settings_ethernet

is the act of dividing space on a Hard Disk into one drive or multiple drives for saving data in differently.

panorama
create Chanlin Chort

Putty
settings_ethernet

A terminal program for Windows and Unix platforms that enables users to remotely access computers over the Internet. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port.

panorama
create Vichhaiy SEREY

Print Spooler
settings_ethernet

A software program responsible for managing all print jobs currently being sent from a computer to the printer.

create Chanlin Chort

Patch
settings_ethernet

a piece of software designed to mend or strengthen a torn or weak point of operating system or other programs.

panorama
create Chanlin Chort

PHP
code

PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.

panorama
create Vannakpanha Mao

Password
settings_ethernet

A secret number or characters that you use it for authentication.

create Vichhaiy SEREY

Power Supply
settings_ethernet

A device that provides power to a machine like computer.

create Vichhaiy SEREY

Ping of Death
settings_ethernet

One type of DoS attack which crash a target computer by using ping utility.

create Vichhaiy SEREY

Personal Digital Assistant​​ (PDA)
settings_ethernet

a small electronic device that is used for storing and organizing information similar to smart phone.

create Vichhaiy SEREY

Protocol Data Unit (PDU)
settings_ethernet

The term used to describe data as it moves from one layer of the OSI model to another.

create Vichhaiy SEREY

Q

Quality of Service
settings_ethernet

Quality of Service (QoS) is also an ever increasing requirement of networks today. New applications available to users over internetworks, such as voice and live video transmission

panorama
create Otdom Duk

QR code reader
computer

a device can be a smartphone which is used to scan/read QR code.

panorama
create Vichhaiy SEREY

QR code
computer

a machine-readable code consisting of an array of black and white squares, typically used for storing URLs or other information.

panorama
create Vichhaiy SEREY

R

reload
settings_ethernet

is keyword/command is the same with restart which used for restart the restart or service.

create Otdom Duk

Reverse lookup zone
settings_ethernet

Type of DNS Zone which handles translation from IP address to domain name.

create Chanlin Chort

RSAT (Remote Server Administration Tools)
settings_ethernet

Windows component or tool used to remotely manage server services easily from client machine like Windows 7.

create Chanlin Chort

Routers Choose Best Paths
settings_ethernet

means router will find the best direction to connect from source to destination on the network

create Otdom Duk

Routing Table
settings_ethernet

is a set of rules, often viewed in table format, that is used to determine where data packets traveling over an Internet Protocol (IP) network will be directed.

create Sopheak Ros

Ring Topology
settings_ethernet

is a network topology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each node - a ring.

panorama
create Sopheak Ros

Reverse Address Resolution Protocol (RARP)
settings_ethernet

is an obsolete computer networking protocol used by a client computer to request its Internet Protocol (IPv4) address from a computer network, when it's has Mac address. Note: ARP map or resolve from IPV4 to Mac address but RARP is map or resolve from Mac address to IPV4.

create Sopheak Ros

Replication
computer

Is the process which are two systems keep update to have the same copies of something like data.

panorama
create Chanlin Chort

RADIUS
settings_ethernet

is a widely deployed protocol, based on a client/server model, that enables centralized authentication, authorization, and accounting for network access.

create Otdom Duk

Resource Record (RR)
settings_ethernet

Is a standard DNS database structure containing information used to process DNS queries.

panorama
create Chanlin Chort

Root hint
settings_ethernet

Are DNS resource records stored on a DNS server that list the IP addresses for the DNS root servers.

panorama
create Chanlin Chort

Recursive Query
settings_ethernet

Is a query made to a DNS server, in which the DNS client asks the DNS server to provide a complete answer to the query

panorama
create Chanlin Chort

Redundant Array of Independent Disks (RAID)
settings_ethernet

A technology that combines multiple hard disks together. There are many level of RAID such as RAID 0, RAID 1 or RAID 5.

panorama
create Vichhaiy SEREY

Remote Desktop
settings_ethernet

A program that you can use it to connect to another computer​ over a network connection.

create Vichhaiy SEREY

RouterOS
settings_ethernet

The operating system of MikroTik RouterBOARD. It can also be installed on a PC and will turn it into more than a router.

create Vichhaiy SEREY

Routing Information Protocol (RIP)
settings_ethernet

An old distance vector routing protocol that is used in a small network.

create Vichhaiy SEREY

Router
settings_ethernet

One type of network device that allows computers from different networks to be able to work together.

create Vichhaiy SEREY

S

Snippet
computer

a small piece of information or a small part of something

create Pisey Nap

Store-and-forward
settings_ethernet

Store-and-forward switch receives the entire frame and computes the CRC. (Check frame)

create Otdom Duk

Symmetrical DSL
settings_ethernet

is similar to Asymmetric Digital Subscriber Line (ADSL), but provides the same upload and download speeds.

create Otdom Duk

Satellite
settings_ethernet

Satellite service is a good option for homes or offices that do not have access to DSL or cable

panorama
create Otdom Duk

small network
settings_ethernet

It's a simple network with using in small office for using basic services, such as: wireless, printing and play sound.

create Otdom Duk

Storage device
computer

A device which is used to store information or data like RAM, USB or Hard disk.

create Chanlin Chort

Shell
computer

In computing, a shell is a user interface which is used to access to an operating system's services. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI).

create Chanlin Chort

Synchronization
computer

If two things​ or systems are synchronized, they update exactly the same thing. This update process is called synchronization.

create Chanlin Chort

Spark
settings_ethernet

is an Open Source, cross-platform IM client optimized for businesses and organizations.

panorama
create Otdom Duk

Severity
settings_ethernet

The process to identify network or computer in order to diagnose level of problem, in purpose to solve problem before system crash.

panorama
create Otdom Duk

Subnetting
settings_ethernet

Is a process of segmenting a network in to multiple smaller network space called sub-networks or subnets

panorama
create Chanlin Chort

Static Route
settings_ethernet

is a form of routing that occurs when a router uses a manually-configured routing entry, rather than information from a dynamic routing traffic.

create Sopheak Ros

Scalability Network
settings_ethernet

is the capability of a system, network, or process to handle a growing amount of work, or its potential to be enlarged in order to accommodate that growth.

create Sopheak Ros

Subnet mask
settings_ethernet

"is a 32-bit number which is used to divide the IP address into network address and host address.Example: 255.255.255.0 "

create Sopheak Ros

Star Topology
settings_ethernet

is a topology for a Local Area Network (LAN) in which all nodes are individually connected to a central connection point, like a hub or a switch.

panorama
create Sopheak Ros

Short for Light Emitting Diode(LED) monitor
settings_ethernet

is the technology used for display in flat screen, flat panel computer monitor or television. It has a very short depth and is light in terms of weight.

panorama
create Sopheak Ros

Session layer (OSI)
settings_ethernet

"is a layer in OSI model that responsible for establishing and maintaining connections. responsible for ports and ensures queries for services that application layer use. Example: If you want to access website, you will use browser. So it will add service: http or https and port: 80 or 443. "

create Sopheak Ros

Secure Socket Shell (SSH)
settings_ethernet

SSH, also known as Secure Socket Shell, is a network protocol that provides administrators with a secure way to access a remote computer, Router, Switch...SSH will encryption data during remote that protect from hacker capture user name and password.

create Sopheak Ros

shielded twisted-pair cable (STP)
settings_ethernet

is the kind of special copper Twist pair that has covering or shield to attempt to prevent electromagnetic interference​ that effect to data during transfering.

panorama
create Sopheak Ros

Scanner
settings_ethernet

is a hardware input device for a computer. Scanners allow a user to take a printed picture, drawing, or document and convert it into a digital file (either an image or a text file) so that it can stored, viewed, and edited on a computer.

panorama
create Sopheak Ros

Scavenging
settings_ethernet

Is the process of cleaning and removing outdated or extinct names data from the WINS database.

create Chanlin Chort

SMTP
settings_ethernet

Simple Mail Transfer Protocol It's a gateway which allow user for sending sms/mail to destination based on address of destination. SMTP works on port 25 and port 465 is SMTPs.

create Otdom Duk

Site-to-Site VPN
settings_ethernet

It is semilar with PPTP VPN but it allows different sites of the same organization, each with its own real network, to connect together to form a VPN.

panorama
create Otdom Duk

Storage Area Network (SAN)
settings_ethernet

a high speed storage device that share pools of storage devices to multiple servers.

panorama
create Vichhaiy SEREY

Swap
settings_ethernet

is a useful technique that enables a computer to execute programs when Random Access Memory (RAM) full.

panorama
create Chanlin Chort

Sectors
settings_ethernet

Are segments of a track and all data stores on it.

panorama
create Chanlin Chort

Server
settings_ethernet

A machine that can serve any services to clients.

create Vichhaiy SEREY

Small Office/Home Office (SOHO)
settings_ethernet

SOHO network enables computers within a home office or a remote office to connect to a corporate network (HQ).

create Vichhaiy SEREY

Spanning Tree Protocol (STP)
settings_ethernet

a layer 2 protocol that switches use to prevent loop.

create Vichhaiy SEREY

Switch
settings_ethernet

One type of network device that more than two computers can be connected and worked together.

create Vichhaiy SEREY

T

Transmission Control Protocol/Internet Protocol (TCP/IP)
settings_ethernet

the basic communication language or protocol of the Internet.

create Otdom Duk

Trivial File Transfer Protocol (TFTP)
settings_ethernet

A simple form of FTP which you do not need authentication.

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Traditional Separate Networks
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Traditional Separate Networks is refer to multiple services are running on multiple network.

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TCP/IP
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A connection between two computers is characterized by IP addresses, ports, and the protocol used.

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Trojan horse, or Trojan
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is any malicious computer program which is used to hack into a computer by misleading users of its true intent.​Example: You download program from untrust website and the virus or malicious is hide in program. So when you install the program the malicious will extract and effect to your computer.

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Throughput
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is the way to test exacly speed or bandwidth of your computer of the hold bandwith of internet or in the network. Example: you can use many tool to throughput your banwidth, like: http://www.speedtest.net/

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Transport layer (OSI)
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"is a layer in OSI model that responsible for break data into segments and assigns sequence number. Example: Your data has big size but when send to communicate with other computer, it will break down to small pieces and order by put sequence number. "

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Transmission Control Protocol/Internet Protocol (TCP/IP) Model
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"is a model which describes the functions that occur at each layer of protocols which protocols work in which layer. "

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Telnet
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is a network protocol that provides administrators with a unsecure way to access a remote computer, Router, Swich…Telnet keep data in plain text during remote that allow hacker can capture user name and password.

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Time-To-Live (TTL)
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Is a time-out value expressed in seconds to save the Resource Records when clients request to retain in their computers.

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Topology
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Is a collection of connections between one device to another devices in an area.

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Trust Domain
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A methodology to allow two domains to synchronize each other and being able to allow users on another domain can access service in a domain trusted.

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Trivial File Transfer Protocol (TFTP)
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A simple form of FTP which you do not need authentication.

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Transmission Control Protocol/Internet Protocol (TCP/IP)
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the basic communication language or protocol of the Internet.

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Tracks
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are circles around the disk.

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U

Unshielded Twisted Pair​ (UTP)
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a cable commonly used in company network.

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Unicast
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the process of sending a packet from one host to an individual host.

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USB (Universal Serial Bus)
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also known as a flash drive or a pen drive, is a plug-and-play portable storage device that uses flash memory and it is very popular.

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User Interface (UI)
computer

the means by which the user can interact with a computer system.

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User Account
computer

Is a user’s information that contains Username and Password to login into the system such as Computer or Email address.

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Unshielded Twisted Pair​ (UTP)
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a cable commonly used in company network.

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UNIX
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The family of multitasking and multiuser operating system that mostly used by powerful servers.

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V

VLAN Trunking Protocol (VTP)
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a protocol created by Cisco used to manage VLAN on different switches.

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Virtual Router Redundancy Protocol (VRRP)
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A standard protocol that provides redundancy default gateways for clients.

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Virtualization
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the act of running multiple virtual servers on a single physical server.

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Virtual Local Area Network (VLAN)
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A switch can be logically divided into many different parts called VLAN.

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Variable Length Subnet Mask (VLSM)
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A method which helps Network Administrator to divide IP network into smaller sizes according to the requirement.

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VPN
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A virtual private network also known as a VPN is a private network that extends across a public network or internet.

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Volume Group
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is a collect of one or several physical volumes grouped together.

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Virtualization
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the act of running multiple virtual servers on a single physical server.

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Virtual Router Redundancy Protocol (VRRP)
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A standard protocol that provides redundancy default gateways for clients.

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Video Adapter
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Sometimes called VGA card, is a card that is used to enable you to connect to the monitor or other display devices.

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VLAN Trunking Protocol (VTP)
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a protocol created by Cisco used to manage VLAN on different switches.

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Voice over IP Address (VoIP)
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a technology which enables voice to transfer in an IP network.

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W

Web Server
computer

a server that stores and serves websites to web browsers like Firefox or Chrome.

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Winbox
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a software used to remote to manage MikroTik router.

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Wireless Access Point (WAP)
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A wireless device which is used to share wifi (internet) for home and small business network.

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WAN
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Wide Area Network (WAN)A network infrastructure that provides access to other networks over a wide geographical area.

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Worldwide Interoperability for Microwave Access (WiMAX)
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is a family of wireless communications standards initially designed to provide 30 to 40 megabit-per-second data rates, in 2011 can providing up to 1 Gbit/s.

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Wi-Fi
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Wi-Fi or WiFi is a technology that allows electronic devices to connect to a wireless LAN (WLAN) network, mainly using the 2.4 gigahertz (12 cm) UHF and 5 gigahertz (6 cm) SHF ISM radio bands. Note: Wi-Fi standard is IEEE 802.11 and wifi build with device like router, phone, computer...

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Wi-Fi range extender
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Wi-Fi range extender, sometimes called a range expander, is a type of wireless repeater used to expand the reach of a wireless LAN. The device is situated in between a base router or access point and a client that is not close enough to receive acceptable service or one that is on the other side of a barrier.

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Worm
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Refer to a computer program that replicates itself in order to spread to other computers normally replicates through the network.

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Wired Equivalent Privacy (WEP)
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a security algorithm/protocol for IEEE 802.11 wireless networks. It is weak and not popular compare to WPA or WPA2.

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Wireless Access Point (WAP)
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A wireless device which is used to share wifi (internet) for home and small business network.

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Winbox
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a software used to remote to manage MikroTik router.

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Web browser
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A program that is used to view websites. There are many web browsers like Mozilla Firefox, Google Chrome or Internet Explorer.

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Wireless Network
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A network that uses a radio waves or signal to transmit data.

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Wide Area Network (WAN)
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A network infrastructure that provides access to other networks over a wide geographical area.

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Y

Yellowdog Updater, Modified (YUM)
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A very useful RPM package management utility. You can use it to install, update, remove or search software package easily on your system. You may see it on Redhat, CentOS or Fedora operating systems.

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Z

Zero-day attacks
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an attack that occurs on the first day that a vulnerability becomes known

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Zypper
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a command line tool for package management in OpenSUSE and SUSE Enterprise Linux platforms.​ It is used to install, remove, update and query software packages.

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8

802.15
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a family of low-rate wireless personal area networks (WPAN) or Bluetooth

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802.11
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a family of wireless local area networks (WLAN).

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