题目内容

液压冲击是阀门突然打开时引起的现象。

A. 对
B. 错

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液压气动系统的两个参数是压力和速度，前者取决于1，后者取决于2。

Each computer or shared device found on the network is known as a.

A. server
B. workstation
C. network node
D. bridge

A is a special computer on a network that provides & controls services (resources) for other computers on the network to use.

A. workstation
B. server
C. bridge
D. switch

have limited access to the resource found on the network.

A. clients
B. Administrators
C. Nodes
D. Servers