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问题详情

The LAN needs are expanding at the Testking corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the TestKing network.Which of the following are layer 1 devices that you can use?（）

A、A switch.

B、A router.

C、A network adapter card.

D、A hub.

E、A repeater.

时间：2022-02-23 00:07 关键词： CCNA(640-801)

答案解析

D | E

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