为了将MAC子层与物理层隔离,在100Base-T标准中采用了______。A.网卡

题型:单项选择题

问题:

为了将MAC子层与物理层隔离,在100Base-T标准中采用了______。

A.网卡RJ-45接

B.介质独立接口MII

C.RS-232接口

D.光纤接口

考点:计算机等级考试网络技术三级网络技术笔试
题型:单项选择题

阅读下面的短文,回答后面的问题。

     Paul got on the bus to go to the town. It was very crowded, and he had to stand for about five minutes.

Then some of the passengers got off. Paul sat down next to a fat lady. She had several shopping bags, and

Paul didn't have much room on the seat. At last the bus got to the town. All the passengers started to get off.

Paul was very polite, so he stood up to let the fat lady get off before him. She said, "Thank you." Then she

tried to get out of the seat with all her bags. But she couldn't move. She was stuck!

      Paul had to push the lady. The conductor pulled her. Finally they got her free but she wasn't pleased.

     "I'll write to the bus company," she said. "I'll tell them not to make buses with such small seats."

1. Why couldn't the lady get out of the seat?

______________________________________________.

2. When did Paul get a seat on the bus?

______________________________________________.

3. How do you know that Paul was very polite?

______________________________________________.

4. Paul didn't have much room on the seat, did he?

______________________________________________.

5. What does the underlined word "stuck" mean?

______________________________________________.

题型:单项选择题

因不可抗力事件导致的费用及延误期,双方如何承担?

题型:单项选择题

哪些情况下应进行列车制动机全部试验?

题型:单项选择题

一个健康成年人的血液中的葡萄糖(a)、水(b)和无机盐(c)含量如下图,该人大量饮水后,排除的尿液中的成分最接近于哪一个图示( )

题型:单项选择题

下列哪一项不属于公安法制工作( )。

A.公安机关内部的法律事务和内部执法监督工作

B.劳动教养案件审批

C.制定公安法律、法规、规章和其他规范性文件

D.办理国家赔偿案件

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