問答題You have two NTP servers 10.1.1.1 & 10.1.1.2 and want to configure a router to use 10.1.1.2 as its NTP server before falling back to 10.1.1.1. Which command will you use?

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1.單項選擇題

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

2.多項選擇題Which two of the following options are categories of Network Maintenance tasks?()

A.Firefighting
B.Interrupt-driven
C.Policy-based
D.Structured
E.Foundational

4.單項選擇題Which alerts will be seen on the console when running the command: logging console warnings.()

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

5.多項選擇題FCAPS is a network maintenance model defined by ISO. What does it stand for?()

A.Action Management
B.Fault Management
C.Configuration Management
D.Protocol Management
E.Security Management

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