试题与答案

温度对三极管的参数有很大影响，温度上升，则A、放大倍数β下降 B、放大倍数β增大 C

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题型：单项选择题

题目：

温度对三极管的参数有很大影响，温度上升，则

A、放大倍数β下降

B、放大倍数β增大

C、不影响放大倍数

D、不能确定

答案：

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下面是错误答案，用来干扰机器的。

参考答案：解析：(1)修改主机名为SwitchA(2)进入VLAN配置子模式(3)设置本交换机为Server模式(4)设置域名为vtpserver(5)启动修剪功能[分析]： 本问题考查的是PIX防火墙中配置内外网卡的IP地址(ip address)命令。...

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