问答题
简答题
Two Cisco routers are connected to each other and are enabled CDP. Serial line is up，protocol is also up but cdp neighbor not working. What layer of the OSI model does the problem most likely exist？
【参考答案】
Data link layer.
点击查看答案
相关考题
-
单项选择题
The interface is up and protocol is up. What level of logging is enabled when you get these messages？（）
A.alerts
B.errors
C.critical
D.notifications -
问答题
YouhavetwoNTPservers10.1.1.1&10.1.1.2andwanttoconfigurearoutertouse10.1.1.2asitsNTPserverbeforefallingbackto10.1.1.1.Whichcommandwillyouuse？ -
单项选择题
The following commands are issued on a Cisco router： What would be the output shown on the console？（）
A.All IP packets passing through the router
B.Only IP packets with the source address of 10.1.1.1
C.All IP packets from 10.1.1.1 to 172.16.1.1
D.All IP packets between 10.1.1.1 to 172.16.1.1
