[单选题]配置路由器时，封装PPP协议的命令是：()

正确答案 ：A

encap ppp

[单选题]When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?

正确答案 ：D

when every operating switch port is in either the blocking or forwarding state

解析：解析：Explanation:

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