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單項(xiàng)選擇題

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

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單項(xiàng)選擇題

During a password recovery, what is the next step after configuring the system to boot into single-user mode?（）

A. Reset the root password
B. Press the space bar
C. Type recovery
D. Press the "Enter" key

多項(xiàng)選擇題

What are three benefits of class of service?（）

A. It can make a slow network faster
B. It can prioritize latency-sensitive traffic
C. It can elimitane congestion
D. It can control congestion
E. It can allocate bandwidth for different classes of traffic