ITGS Ch. 7 1-46 Terms

Question 0

Bandwidth

Answer 0

The maximum speed at which data can be transmitted between two nodes on a network; usually measured in megabits per second (Mbps). [data transfer rate]

Question 1

Backward Compatibility

Answer 1

The accommodation of current devices being able to use previously issued software standards in addition to the current standards.

Question 2

Broadband

Answer 2

A high-speed Internet connection such as cable, satellite, or digital subscriber line (DSL)

Question 3

Cable Internet

Answer 3

A broadband service that transmits data over coaxial cables

Question 4

Cat 6 Cable

Answer 4

A UTP cable type that provides more than 1 Gbps of throughput

Question 5

Client/Server Network (server-based network)

Answer 5

A type of network that uses servers to deliver services to computers that are requesting them (clients)

Question 6

Coaxial Cable

Answer 6

A single copper wire surrounded by layers of plastic insulation, metal sheathing, and a plastic jacket; used mainly in cable television and cable Internet service

Question 7

Data Transfer Rate

Answer 7

The maximum speed at which data can be transmitted between two nodes on a network; measured in megabits per second (Mbps) or gigabits per second (Gbps)

Question 8

Digital Subscriber Line (DSL)

Answer 8

A type of connection that uses telephone lines to connect to the Internet and that allows both phone and data transmissions to share the same line.

Question 9

Ethernet Network

Answer 9

A network that uses the Ethernet protocol as the means (or standard) by which the nodes on the network communicate

Question 10

Fiber-Optic Cable

Answer 10

A cable that transmits data at at the speed of light along glass or plastic fibers

Question 11

Fiber-optic service

Answer 11

Internet access that is enabled by transmitting data at the speed of light through glass or plastic fibers

Question 12

Firmware

Answer 12

System software that controls hardware devices

Question 13

gigabit Ethernet

Answer 13

The most commonly used wired Ethernet standard deployed in devices designed by home networks; provides bandwidth of up to 1 Gbps

Question 14

Hacker

Answer 14

Anyone who unlawfully breaks into a computer system (whether an individual computer or a network)

Question 15

Home area network (HAN)

Answer 15

A network located in a home that’s used to connect all of its digital devices

Question 16

Home network server

Answer 16

A device designed to store media, share media across the network, and back up files on computers connected to a home network

Question 17

Internet service provider (ISP)

Answer 17

A company that specializes in providing Internet access; may be specialized providers, like Juno, or companies that provide other services in addition to Internet access (such as phones and cable TV).

Question 18

Local area network (LAN)

Answer 18

A network in which the nodes are located within a small geographic area.

Question 19

Metropolitan area network (MAN)

Answer 19

A wide area network (WAN) that links users in a specific geographic area (such as within a city or country)

Question 20

Mobile broadband

Answer 20

Connection to the Internet through the same cellular network that cell phones use to get 3G or 4G Internet access

Question 21

Network

Answer 21

A group of two or more computers (or nodes) that are configured to share information Nd resources such as printers, files, and databases

Question 22

Network Adapter

Answer 22

A device that enables the computer (or peripheral) to communicate with the network using a common data communication language, or protocol.

Question 23

Network Administration

Answer 23

Involves tasks such as (1) installing new computers and devices, (2) monitoring the network to ensure it’s performing efficiently, (3) updating and installing new software on the network, and (4) configuring, or setting up, proper security for a network

Question 24

Network Architecture

Answer 24

The design of a computer network; includes both physical and logical design

Question 25

Network-attached Storage (NAS) Device

Answer 25

A specialized computing device designed to store and manage network data.

Question 26

Network Interface Card (NIC)

Answer 26

A expansion card that enables a computer to connect other computers to a cable modem to facilitate a high-speed Internet connection

Question 27

Network Navigation Device

Answer 27

A device on a network such as a router or switch that moves data signals around the network

Question 28

Network Operating System (NOS)

Answer 28

Software that handles requests for information, Internet access, and the use of peripherals for the rest of the network node, providing the services necessary for the computers on the network to communicate

Question 29

Network-ready device

Answer 29

A device (such as a printer or an external hard drive) that can be directly attached to a network instead of needing to attach to a computer on the network.

Question 30

Node

Answer 30

A device connected to a network such as a computer, a peripheral (such as a printer), or a communications device (such as a modem)

Question 31

Packet

Answer 31

A small segment of data that’s bundled for sending over transmission media; each contains the address of the computer or peripheral device to which it’s being sent

Question 32

Peer-to-Peer (P2P) Network

Answer 32

A network in which each node connected to the network can communicate directly with every other node on the network

Question 33

Personal Area Network (PAN)

Answer 33

A network used for communication among devices close to one person, such as smartphones, laptops, and tablets, using wireless technologies such as Bluetooth

Question 34

Piggybacking

Answer 34

The process of connecting to a wireless network without the permission of the owner of the network

Question 35

Router

Answer 35

A device that carries packets of data between two or more networks

Question 36

Satellite Internet

Answer 36

A way to connect to the Internet using a small satellite dish, which is placed outside the home and is connected to a computer with coaxial cables; the satellite company then sends the data to a satellite which, in turn, sends the data back to the satellite dish and to the computer

Question 37

Service Set Identifier (SSID)

Answer 37

A network name that wireless routers use to identify themselves

Question 38

Switch

Answer 38

A device for transmitting data on a network; makes decisions, based on the media access control address of the data, as to where the data is to be sent

Question 39

Throughput

Answer 39

The actual speed of data transfer that’s achieved; usually less than the data transfer rate and is measured in Mbps

Question 40

Transmission media

Answer 40

The radio waves or the physical system (cable) that transports data to the network

Question 41

Twisted-pair Cable

Answer 41

Cables made of copper wires that are twisted around each other and are surrounded by a plastic jacket (such as traditional home phone wire)

Question 42

Unshielded twisted-pair (UTP) cable

Answer 42

The most popular transmission media option for Ethernet networks; composed of four pairs of wires that are twisted around each other to reduce electrical interference

Question 43

Wide Area Network (WAN)

Answer 43

A network made up of local area networks (LANs) connected over long distances

Question 44

Wireless Fidelity (WiFi)

Answer 44

The 802.11 standard for wireless data transmissions established by the Institute of Electrical and Electronics Engineers (IEEE)

Question 45

Wireless Range Extender

Answer 45

A device that amplifies your wireless signal to get it out to parts of your home that are experiencing poor connectivity