Refer to the exhibit. The security department recently installed a monitoring device between routers R3 and R5, which caused a loss of network connectivity for users connected to R5. Troubleshooting revealed that the monitoring device cannot forward multicast packets. The team already updated R5 with the correct configuration. Which configuration must be implemented on R3 to resolve the problem by ensuring R3 as the DR for the R3-R5 segment?

A. interface FastEthernet0/0ip address 10.99.53.1 255.255.255.252ip access-group 122 inip ospf network non-broadcastip ospf priority 100!router ospf 10router-id 10.10.3.255network 10.99.53.0 0.0.0.3 area 0neighbor 10.99.53.2!access-list 122 permit 89 host 10.99.53.2 host 10.99.53.1access-list 122 deny 89 any anyaccess-list 122 permit tcp any anyaccess-list 122 permit udp any anyaccess-list 122 permit icmp any any

B. interface FastEthernet0/0ip address 10.99.53.1 255.255.255.252ip access-group 122 inip ospf network non-broadcastip ospf priority 0!router ospf 10router-id 10.10.3.255neighbor 10.99.53.2!access-list 122 permit 88 host 10.99.53.2 host 10.99.53.1access-list 122 deny 88 any anyaccess-list 122 permit tcp any anyaccess-list 122 permit udp any anyaccess-list 122 permit icmp any any

C. interface FastEthernet0/0ip address 10.99.53.1 255.255.255.252ip access-group 122 inip ospf network non-broadcastip ospf priority 0!router ospf 10router-id 10.10.3.255network 10.99.53.0 0.0.0.3 area 0neighbor 10.99.53.2!access-list 122 permit 89 host 10.99.53.2 host 10.99.53.1access-list 122 deny 89 any anyaccess-list 122 permit tcp any anyaccess-list 122 permit udp any anyaccess-list 122 permit icmp any any

D. interface FastEthernet0/0ip address 10.99.53.1 255.255.255.252ip access-group 122 inip ospf network point-to-pointip ospf priority 0!router ospf 10router-id 10.10.3.255network 10.99.53.0 0.0.0.3 area 0neighbor 10.99.53.2!access-list 122 permit 88 host 10.99.53.2 host 10.99.53.1access-list 122 deny 88 any anyaccess-list 122 permit tcp any anyaccess-list 122 permit udp any anyaccess-list 122 permit icmp any any








 

Suggested Answer: A



This question is in 300-410 exam 
For getting CCNP Enterprise Certificate 


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