题目内容

( ) protocol serves to coordinate the frame transmissions of the many nodes when multiple nodes share a single broadcast link.

ARP
B. MAC Multiple Access Control
C. ICMP
DNS

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In the following descriptions about MAC address, which one is not correct? ( )

A. The MAC address is the address of one node’s adapter.
B. No two adapters have the same MAC address.
C. The MAC address doesn’t change no matter where the adapter goes.
D. MAC address has a hierarchical structure.

The ARP protocol can translate ( ) into ( ). ( )

A. host name, IP address
B. host name, MAC address
C. IP address, MAC address
D. broadcast address, IP address

In the following four options, which service can not be provided by switch? ( )

A. filtering
B. self-learning
C. forwarding
D. optimal routing

The ability to determine the interfaces to which a frame should be directed, and then directing the frame to those interfaces is( ).

A. filtering
B. forwarding
C. self-learning
D. optimal routing

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