When performing password recovery, which command should be entered at the boot prompt?（）
第1题：
A.boot -s
B.boot -r
C.boot single
D.boot recovery
第2题：
What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?（）
第3题：
A、when he is making a decision
B、when he is performing an operation
C、when he has made mistakes
D、all of the above (a+b+c)
第4题：
What will be disabled as a result of the no service password-recovery command？（）
第5题：
When you are performing media recover， and an archived log is lost or corrupt， which type of recover must you perform？（）
第6题：
Which three options are network evaluation techniques？ （）
第7题：
When performing a backup， which of the following media types would have no moving parts？（）
第8题：
A. It must include a root password.
B. It is rollback file number 50, and you can recover it by issuing rollback 50.
C. It is created by issuing request system configuration rescue save.
D. It is updated automatically when you commit.
第9题：
Which two statements are true about the rescue configuration file?（）
第10题：
What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?（）