Lesson 03 Vocab.

Front 1

Network

Back 1

A group of two or more computers connected so they can communicate with one another

Front 2

Node

Back 2

Any entity on a network that can be managed, such as a system, repeater, route, gateway, switch or firewall. A computer or other addressable device attached to a network; a host.

Front 3

Client

Back 3

An individual computer connected to a network. Also a system or application that requests a service from another computer ans is used to access files or documents.

Front 4

Server

Back 4

A computer in a network that manages the network resources and provides, or serves, information to clients.

Front 5

Local area Network (LAN)

Back 5

A group of computers connected within a confined geographic area.

Front 6

Wide are Network (WAN)

Back 6

A group of computers connected over an expansive geographic area so their users can share files and services.

Front 7

Internet

Back 7

A worldwide network of interconnected network.

Front 8

Advanced Research Project agency (ARPA)

Back 8

A U.S. Department of Defense agency that created the first global computer network

Front 9

Advance Research Project Agency Network (ARPANET)

Back 9

A computer network, funded by ARPA, that served as the basis for early networking research and was the backbone during the development of the Internet.

Front 10

National Science Foundation (NSF)

Back 10

An independent agency of the U.S. government that promotes the advancement of science and engineering.

Front 11

Backbone

Back 11

The highest level in the computer network hierarchy, to which smaller networks typically connect.

Front 12

Gateway

Back 12

A node on a network that serves as a portal to other networks.

Front 13

World Wide Web (WWW)

Back 13

A set of software programs that enables users to access resources on the Internet via hypertext documents.

Front 14

Hypertext Link

Back 14

Highlighted or underlined text in a Web page that, when clicked, links the user to another location or Web page.

Front 15

Web Page

Back 15

HTL document containing one or more elements ( Text, images, hyperlinks)

Front 16

Web site

Back 16

World Wide Web server and its content, includes multiple Web pages.

Front 17

Web browser

Back 17

A software application that enables users to access and view Web pages on the internet.

Front 18

Transmission Control Protocol/ Internet Protocol (TCP/IP)

Back 18

A suite of protocols that turns data into blocks of information called packets, which are then sent across the Internet. The standard protocol used by the Internet.

Front 19

Packet

Back 19

Data processed by protocols so it can be sent across a network.

Front 20

Router

Back 20

A device that routes packets between networks based on network-layer addresses; determines the best path across a network. Also used to connect separate LANs to form a WAN.

Front 21

Internet Service Provider (ISP)

Back 21

An organization that maintains a gateway to the Internet and rents access to customers on a per-use or subscription basis.

Front 22

Modem

Back 22

Abbreviation for modulator/ demodulator. An analog device that enables computers to communicate over telephone lines by translating digital data into audio/ analog signals (on the sending computer) and then back into digital form (on the receiving computer).

Front 23

Integrated Services Digital Network (ISDN)

Back 23

A Communication standard for sending voice, video or data over digital telephone lines.

Front 24

Bandwidth

Back 24

The amount of information, sometimes called traffic, that can be carried on a network at one time. The total capacity of a line. Also, the rate of data transfer over a network connection; measured in bits per second.

Front 25

Network Interface Card (NIC)

Back 25

A circuit board within a computer's central processing unit that serves as the interface enabling the computer to connect to a network.

Front 26

Wireless interface Point (AP)

Back 26

A device that enables wireless systems to communicate with each other, provided that they are on the same network.

Front 27

Standard

Back 27

A definition or format that has been approved by a recognized standards organization.

Front 28

Digital Subscriber Line (DSL)

Back 28

A high-speed direct Internet connection that uses all-digital networks.

Front 29

xDSL

Back 29

Collectively, the variations of Digital Subscriber Line (DSL), which include ADSL, RADSL and HDSL.

Front 30

4G (Fourth Generation)

Back 30

Wireless phone network capable of delivering high-speed broadband Internet access to mobile devices.

Front 31

4G Mobile Hotspot

Back 31

A device that connects a wireless local area network to a wireless phone network at broadband speeds.

Front 32

Internet Protocol (IP)

Back 32

The data transmission standard for the Internet. Every computer connected to the Internet has its own IP address, which enables a packet of data to be delivered to a specific computer.

Front 33

Internet Assigned Numbers Authority (IANA)

Back 33

The international organization responsible for allocation of IP addresses. Part of the Internet Corporation for Assigned Names and Numbers (ICANN).

Front 34

Point-to-Point Protocol (PPP)

Back 34

A protocol that allows a computer to connect to the Internet over a phone line.

Front 35

Point-to-Point Protocol over Ethernet (PPPoE)

Back 35

A protocol that implements PPP on top of the Ethernet architecture to connect an entire network to the Internet.

Front 36

Hypertext Transfer Protocol (HTTP)

Back 36

The protocol for transporting HTML documents across the Internet.

Front 37

Point-to-Point Protocol (PPP)

Back 37

A protocol that allows a computer to connect to the Internet over a phone line.

Front 38

Point-to-Point Protocol over Ethernet (PPPoE)

Back 38

A protocol that implements PPP on top of the Ethernet architecture to connect an entire network to the Internet.

Front 39

Hypertext Transfer Protocol (HTTP)

Back 39

The protocol for transporting HTML documents across the Internet.

Front 40

Simple Mail Transfer Protocol (SMTP)

Back 40

The Internet standard protocol for transferring e-mail messages from one computer to another.

Front 41

File Transfer Protocol (FTP)

Back 41

An Internet protocol used to transfer files between computers; allows file transfer without corruption or alteration.

Front 42

Post Office Protocol (POP)

Back 42

A protocol that resides on an incoming mail server. The current version is POP3.

Front 43

Internet Message Access Protocol (IMAP)

Back 43

A protocol that resides on an incoming mail server. Similar to POP, but is more powerful. Allows of mailboxes and multiple mail server access. The current version is IMAP4.

Front 44

Usenet (User Network)

Back 44

A collection of thousands of computers, newsgroups and newsgroup members using Network News Transfer Protocol (NNTP) to exchange information.

Front 45

Newsgroup

Back 45

On Usenet, a subject or other topical interest group whose members exchange ideas and opinions. Participants post and receive messages via a news server.

Front 46

Network News Transfer Protocol (NNTP)

Back 46

The Internet protocol used by news servers that enables the exchange of newsgroup (Usenet)articles.

Front 47

Domain Name System (DNS)

Back 47

A system that maps uniquely hierarchical names to specific Internet addresses.

Front 48

Domain Name

Back 48

An IP address represented in words.

Front 49

Host

Back 49

A computer that other computers can use to gain information. In network architecture, a host is a client or workstation.

Front 50

Fully qualified domain name (FQDN)

Back 50

The complete domain name of an Internet computer, such as www.CIWcertified. com.

Front 51

Root-level server

Back 51

A server at the highest level of the Domain Name System.

Front 52

Top-level domain

Back 52

The group into which a domain is categorized, by common topic (company, educational institution) and/or geography (country, state).

Front 53

Domain name server

Back 53

A server that resolves domain names into IP addresses.

Front 54

Virtual Domain

Back 54

A hosting service that allows a company to host its domain name on a third-party ISP server.

Front 55

Shared domain

Back 55

A hosting service that allows multiple entities to share portions of the same domain name.