Chapter 1 Computer Networks a n d t h e I n t e r n e t 1.The ( ) is a worldwide
computer network, that is,
a network that interconnects millions of computing devices throughout the world. 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
B low-altitude satellite
C fiber optics
D wireless LAN 4.The units of data exchanged
by a link-layer 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
6.( )makes sure that neither
更多推荐
计算机网络英文题库,计算机网络英文题库附答案chapter
发布评论