题目内容

Fast Ethernet自动协商过程要求在( )内完成。

A. 50ms
B. 100ms
C. 500ms
D. 1000ms

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下列选项中,关于综合型综合布线系统说法不正确的是( )。

A. 应能满足所支持的数据系统的传输速率的要求
B. 应能满足所支持的电话、数据和电视系统的传输标准的要求
C. 应在基本型和增强型综合布线系统的基础上增设无线传输系统
D. 适用于综合布线系统中配置标准较高的场合,用光缆和铜芯双绞电缆混合组网

在交互式应用中没有方向切换的时间延迟是( )。

A. 单工
B. 半双工
C. 全双工
D. 以上全部

10Mbit/s与100Mbit/s速率的自动协商功能包括( )。

A. 向其他结点发布远端连接设备的工作模式
B. 与远端连接设备交换工作模式的相关参数,协调和确定双方的工作模式
C. 自动协商功能自动选择共有的最高性能的工作模式
D. 以上全部

Directions: For each numbered bracket in the following passage, fill in a suitable word in the blank on the ANSWER SHEET. Old people are always saying that the young people are not (51) they were. The same comment is (52) from generation to generation and it is always (53) . It has never been truer than it is today. The young are better educated. They have a lot more money to spend and enjoy (54) freedom. They grow up more quickly and are not so (55) on their parents. Events which the older generation remember vividly are (56) more than past history, This is as it should be. Every new generation is (57) from the one that preceded it. Today the difference is very marked indeed. The old always assume that they know best for the simple (58) that they have been (59) a bit longer. They don’t like to feel that their values are being questioned or threatened. And this is precisely what the (60) are doing. They are questioning the (61) of their elders and disturbing their complacency. They take leave to (62) that the older generation has created the best of all possible worlds. What they reject more than (63) is conformity. Office hours, for instance, are nothing more than enforced slavery. Wouldn’t people work best if they were given complete freedom and (64) And what (65) the clothing Who said that all the men in the world should (66) drab grey suits If we turn our (67) to more serious matters, who said that human differences can best be solved through conventional politics or by violent means Why have the older generation so often used (68) to solve their problems Why are they are so unhappy and guilt-ridden in their personal lives, so obsessed with mean ambitions and the desire to amass more and more (69) possessions Can anything be right with the rat-race Haven’t the old lost (70) with all that is important in life

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