Question 1

In office LANs,one computer is often used as a central repository of programs and files that all connected computers can use;this computer is called a(n) _________.

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Question 2

One of the most interesting developments in worldwide telecommunications is_________ through the Internet: anyone with access to the Internet can download one of several free applications that help locate and download files from any online computer.

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Question 3

Permanent IP addresses assigned to servers and many other computers and devices are called_________ .

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Question 4

The_________ of a medium is the speed at which data is communicated,which is also called the transmission rate or simply the bit rate.

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Question 5

The "virtual" in_________ refers to the illusion that the user is accessing a private network directly,rather than through a public network.

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Question 6

A(n) _________with a modem is very slow (usually no faster than 56 Kbps),so most users and small businesses today are turning to faster connections that use digital signals throughout the connection,such as DSL and cable connections.

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Question 7

A temporary IP address assigned to a computer connected to the Internet intermittently for the duration of its connection only is called_________ .

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Question 8

A(n) _________is a wireless network designed for handheld and portable devices such as smartphones and tablet or laptop computers,and is intended for use by only one or two people.

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Question 9

Large _________might have many constituent LANs and MANs on different continents.

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Question 10

In the context of data communications,a(n)_________ is a combination of devices or nodes connected to each other through a communication medium.

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Question 11

Light is not susceptible to EMI (electromagnetic interference) and _________,which is why fiber optic communication is much less prone to error than twisted pair and radio transmission.

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Question 12

Each computer or device connected to a network must have a(n)_________ or proper networking circuitry,which connects through a cable or a wireless antenna to a hub,switch,bridge,or router,which in turn connects to a LAN or WAN.

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Question 13

WiMAX is a(n)_________ technology.

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Question 14

A computer network within a building,or a campus of adjacent buildings,is called a(n) _________,or LAN.

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Question 15

The term_________ is associated with a high-speed networking connection,which is required for fast transmission of large files and multimedia material.

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Question 16

_________is sometimes called TV cable or simply "cable" because of its common use for cable television transmission.

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Question 17

Every device on the Internet is uniquely identified with a numerical label known as_________ .

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Question 18

A(n) _________is a system of networks composed of multiple LANs or MANs that are connected across a distance of more than approximately 48 kilometers.

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Question 19

A single Wi-Fi router can be connected to a(n)_________ ,which in turn is connected to a wired network and usually to the Internet.

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Question 20

The speed of receiving from a network is called_________ .

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Quiz 6: Business Networks and Telecommunications