超星 - 导论测试6 - 查题吧

单选题

单选题A ( )is a set of rules that controls the interaction of different devices in a network or internetwork.

A. model
B. protocol
C. dialog
D. synchronization point

单选题

单选题 The OSI model has ( ) layers.

A. five
B. six
C. seven
D. any of the above

单选题

单选题 The ( )layer of the OSI model organizes bits into logical data units called frames.

A. physical
B. data-link
C. network
D. transport

单选题

单选题 The ( ) layer of the OSI model enables a person to access the network.

A. data-link
B. transport
C. application
D. physical

单选题

单选题 The ( ) layer of the OSI model compresses and decompresses data.

A. physical
B. data-link
C. session
D. presentation

单选题

单选题 The ( ) layer of the OSI model encrypts data.

A. physical
B. data-link
C. session
D. presentation

单选题

单选题 The ( ) layer of the OSI model transmits a bit stream over a physical medium.

A. physical
B. data-link
C. network
D. transport

单选题

单选题 The ( ) layer of the OSI model is responsible for node-to-node delivery of a frame between two adjacent stations.

A. transport
B. network
C. data-link
D. session

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