单项选择题
Which command retrieves and displays information about each Cisco product in the form of aUDI?（）
A. show status B. show hardware C. show inventory D. show environment
单项选择题 Why is there no need to configure complex overlay network topologies when using Cisco WAAS? （）
单项选择题 Which protocols does Cisco NSF support? （）
单项选择题 When you issue the logging trap informational command, what happens? （）
