【导读】
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1. [单选题]帧中继环境中,在物理端口上,建立子接口的命令是()
A. create
B. interface
C. encapsulation
D. ip address
2. [单选题]How can a Ezonexam administrator determine if a router has been configured when it is first powered up?
A. A configured router prompts for a password
B. A configured router goes to the privileged mode prompt
C. An un configured router goes into the setup dialog
D. An un configured router goes to the enable mode prompt
3. [单选题]路由器上激活端口的命令是()
A. shutdown
B. no shutdown
C. up
D. noup