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captainchan_10 2012-3-26 08:16 PM

急呀 電腦MC

1.Which of following communication components is responsible for signal conversion?
a)Sending Device b)Receiving device c)communication device d)storage device
2.What will happen if two computer want to send message at the same time in bus network?
3.Which of following media can have highest transmisson rate?
a)Fiber_optic cable b)Twisted-pair cable c)Radio d)Satellite
4.Which statement is FALSE
a)Computer network is a collection of computer or device connected via communication devices and transmission media
b)Categorize computer networks in size only
c)The internet is WAN
d)None of above
5.Which statement is/are TRUE
a)In both client/server and peer-to-peer architectures,adding a new computer will always affect others.
b)In both client/server and peer-to-peer architectures,removing a new computer will always affect others.
c)internet peer-to-peer let users to connect each other's hard disk and exchange firectly
d)All of above
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