题目内容

单选题 A ( ) is a connecting device that route a packer based on its network layer address.

A. bridge
B. route
C. repeater
D. all of the above

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单选题 The ( )layer of TCP/IP has functions similar to those of the application, presentation, and session layers of the OSI model.

A. transport
B. network
C. application
D. session

单选题 The IP address is currently ( ) bits in length.

A. 4
B. 8
C. 32
D. any of the above

单选题 A ( ) document has fixed contents.

A. static
B. dynamic
C. active
D. all of the above

单选题 Kate’s Irish Potato Company is based in Ireland but has branches in Boston and San Francisco. The branches communicate with each other through a （）.

A. LAN
B. MAN
C. WAN
D. none of the above