超星 - P3PA-2 - 查题吧

单选题

NICs are considered Layer 2 devices becouse each individual NIC throughout the world carries a unique code, called.

A. binary impulses
B. serial format
C. code of network interface card
D. Media Access Control Address

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单选题

One of the disadvantages of the type of cable that we primarily use, CAT 5 UTP, is.

A. the cost of this kind of medium
B. difficult to install
C. cable length
D. too complicated

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单选题

Consequently, bridges are concerned only with passing or not passing frames, based on.

A. Internet Protocol address
B. logical address
C. their destination MAC address
D. the format of the frame

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单选题

The purpose of a router is to examine incoming packets, choose the best path for them through the network, and.

A. then let them wait there for some time
B. then change the information coming from the application layer
C. then switch them to the proper outgoing ports
D. then put then to another router

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单选题

is the best transfer media at present.

A. Optical fiber
B. Coaxial cable
C. Twisted pair
D. Radio

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单选题

can select the best path to route a message.

A. NIC
Bridge
C. Switch
D. Router

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