[多选题]在配置帧中继子接口时，在物理接口上应该配置的内容是：()

正确答案 ：BCD

封装帧中继协议

指定子接口类型

设定子接口

解析：BCD

[单选题]The Ezonexam network administrator has issued the "VTP password ezonexam" command on a Cisco device. What is the purpose of this command?

正确答案 ：D

It is used to validate the sources of VTP advertisements sent between switches

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