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问题详情

What are some common layer 2 encapsulations for a WAN link?（）

A、Ethernet

B、PPP

C、Token Ring

D、HDLC

E、Frame Relay

F、POTS

时间：2022-01-02 19:31 关键词： CCNA(640-801)

答案解析

B| D| E

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