单项选择题
Which command do you use to display the messages seen during the last system boot?（）
A. show system boot-messages B. show chassis messages C. show file system boot-messages D. show boot-log messages
单项选择题 During a password recovery, what is the next step after configuring the system to boot into single-user mode?（）
多项选择题 What are three benefits of class of service?（）
单项选择题 Which command will display the contents of the forwarding table?（）
