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Which of the following is MOST commonly powered using PoE?（）

题目
单选题
Which of the following is MOST commonly powered using PoE?（）
A

Routers

B

Switches

C

Laptops

D

Access points

参考答案和解析
正确答案： A
解析： 暂无解析
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第7题：

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参考答案：D

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An administrator installs new IDE drives into the company server. Upon starting the machine， the BIOS does not recognize any of the drives. Which of the following is the MOST likely cause of the problem？（）

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