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问题 单项选择题

下列关于Windows 2003中域的描述正确的是______。

A．在网络环境中所有的计算机称为一个域
B．同一个域中可以有多个备份域控制器
C．每个域中必须有主域控制器和备份域控制器
D．一个域中可以有多个主域控制器

答案

参考答案：B

单项选择题

Flow control is a function that prevents network congestion by ensuring that (66) do not over-whelm (67) with data. There are three commonly used methods for handling network congestion. (68) is used by network devices to temporarily store bursts of excess data in memory until they can be processed. (69) are used by receiving devices to help prevent their buffers from overflowing. (70) is a flow-control scheme in which the source device requires an acknowledgment from the destination after a certain number of packets have been transmitted.

A．Buffer

B．Source-quench messages

C．window

D．Windowing

E．Buffering
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多项选择题 案例分析题

某社区对辖区居民进行了营养教育干预活动，现要对该项目进行过程评价。

对社区人群满意度的测量可选用（）方法。

A.领导访谈

B.查阅管理记录

C.问卷调查

D.专题小组访谈
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