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
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相关考题
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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 -
多项选择题
WhichtwoofthefollowingoptionsarecategoriesofNetworkMaintenancetasks？（）
A.Firefighting
B.Interrupt-driven
C.Policy-based
D.Structured
E.Foundational
