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2024年3月22日发(作者：后台管理系统网页模板)

计算机网络英文题库附

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IBM system office room 【A0816H-A0912AAAHH-GX8Q8-GNTHHJ8】

Chapter 1 Computer Networks and the Internet

B low-altitude satellite

C fiber optics

1．The ( ) is a worldwide computer network,

that is, a network that interconnects millions

of computing devices throughout the world.

D wireless LAN

4．The units of data exchanged by a link-layer

ppt3

A public Internet

B Intranet

C switch net

D television net

2．Which kind of media is not a guided media

( )

A twisted-pair copper wire

B a coaxial cable

C fiber optics

D digital satellite channel

3．Which kind of media is a guided media ( )

A geostationary satellite

protocol are called ( ).

A Frames

B Segments

C Datagrams

D bit streams

5．Which of the following option belongs to

the circuit-switched networks ( )

A FDM

B TDM

C VC networks

D both A and B


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