单项选择题
A network administrator wants to verify the active alarms on interface so-0/0/0. Which command displays this information?（）
A. show interfaces alarms B. show interfaces terse C. show alarms extensive D. show interfaces extensive
多项选择题 Which two characteristitcs describe the UDP protocol?（）
单项选择题 Which command will delete the current rescue configuration?（）
单项选择题 Using the routing table shown in the exhibit, what will be the next-hop IP address used for destination IP address 192.168.1.1? （）
