單項選擇題

Following ticket consists of a problem description and existing configuration on the device.

Figure 1
Cisco 642-832： Practice Exam

Figure 2
Trouble Ticket Statement：
Client 1 is able to ping 10.1.1.2 but not 10.1.1.1. Initial troubleshooting shows that R1 does not have anyOSPF neighbors or any OSPF routes
Configuration on R1：
router ospf 1
CertKiller.com
log-adjacency-changes
network 10.1.1.0 0.0.0.3 area 12
default-information originate always!
interface Serial0/0/0/0.12 point-to-point
ip address 10.1.1.1 255.255.255.252
ip nat inside
ip ospf message-digest-key 1 md5 TSHOOT
Configuration on R2：
router ospf 1
log-adjacency-changes
network 10.1.1.0 0.0.0.3 area 12!
Cisco 642-832： Practice Exam
interfaceSerial0/0/0/0.12 point-to-point
ip address 10.1.1.2 255.255.255.252
ip ospf authentication message-digest
ip ospf message-digest-key 1 md5 TSHOOT
Fault Condition is related to which technology？（）

A.NAT
B.OSPF
C.Static Routing
D.Switch to Switch Connectivity


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3.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

4.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

6.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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