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问题 单项选择题

严格按有关规定对新装GIS、罐式断路器进行现场耐压，耐压过程中应进行（）检测，有条件时可对GIS设备进行现场冲击耐压试验。

A.回路电阻；

B.红外测温；

C.检漏；

D.局部放电。

答案

参考答案：D

单项选择题

在应急事态管理学院早起的教科书中，将（）定义为“用于指挥、控制和协调应急工作的示范工具，对为了一个共同目标（处理突发事件、保护生命、财产和环境）努力的各个部门提供一种协调手段。”

A.指挥系统

B.通讯与情报信息系统

C.资源系统

D.后勤系统
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单项选择题

A multicast router may receive thousands of multicast (6) every day for different groups. If a router has no knowledge about the membership status of the (7) , it must broadcast all of these packets. This creates a lot of traffic and consumes (8) . A better solution is to keep a list of groups in the network for which there is at least one loyal member. (9) helps the multicast router create and update this list. For each group, there is one router that has the duty of distributing the (10) packets destined for that group. This means that if there are three multicast routers connected to a network, their lists of groupids are mutually exclusive. A host or multicast router can have membership in a group.

A．capability

B．power

C．bandwidth

D．address
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