单项选择题
A.enable cdp
B.cdp enable
C.cdp run
D.run cdp
单项选择题 Refer to the exhibit.Based on the exhibited routing table,how will packets from a host within the 192.168.10.192/26 LAN be forwarded to 192.168.10.1?（）
多项选择题 Which characteristics are representative of a link-state routing protocol?（）
单项选择题 What is the default administrative distance of OSPF?（）