單項選擇題

The following command is issued on a Cisco Router:
Router(configuration)#logging console warnings
Which alerts will be seen on the console?()

A.Warnings only
B.debugging, informational, notifications, warnings
C.warnings, errors, critical, alerts, emergencies
D.notifications, warnings, errors
E.warnings, errors, critical, alerts


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1.單項選擇題You have 2 NTP servers in your network - 10.1.1.1 and 10.1.1.2. You want to configurationure a Ciscorouter to use 10.1.1.2 as its NTP server before falling back to 10.1.1.1. Which commands will you use toconfigurationure the router?()

A.ntp server 10.1.1.1 ntp server 10.1.1.2
B.ntp server 10.1.1.1 ntp server 10.1.1.2 primary
C.ntp server 10.1.1.1 ntp server 10.1.1.2 prefer
D.ntp server 10.1.1.1 fallback ntp server 10.1.1.2

3.單項選擇題

The following commands are issued on a Cisco Router:

What will the debug output on the console show?()

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 and 172.16.1.1

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