OSPF LAB

Refer to the topology. Your company has decided to connect the main office with three other remote branch offices using point-to-point serial links. You are required to troubleshoot and resolve OSPF neighbor adjacency Issues between the main office and the routers located in the remote branch offices. Branchl office. Enter Cisco IOS commands on the device to verify network operation and answer the multiple-choice questions. THIS TASK DOES NOT REQUIRE DEVICE CONFIGURATION. Click on the device to gan access to the console of the device. No console or enable passwords are required. To access the multiple-choice questions, click on the numbered boxes on the left of the top panel There are four multiple choice questions with this task Be sure to answer all four questions before clickinc the Next button. 1. An OSPF neighbor adjacency is not formed between R3 in the main office and R4 in the Branchl office. What is causing the problem?. A. There is a Layer 2 issue; an encapsulation mismatch on serial links. B. The R3 router ID is configured on R4. C. There is an area ID mismatch. D. There is an OSPF hello and dead interval mismatch.

2 An OSPF neighbor adjacency is not formed between R3 in the main office and R5 in the Branch2 office What is causing the problem?. A. There is a PPP authentication issue; a password mismatch. B. There is an area ID mismatch. C. There is a missing network command In the OSPF process on R5. D. There is an OSPF hello and dead interval mismatch.

3. R1 does not form an OSPF neighbor adjacency with R? Which option would fix the issue?. A. RI ethernet0/1 IS shutdown. Configure no shutdown command. B. Enable OSPFfor RI ethernet0/1; configure Ipospf 1 area 0 command under ethernet0/1. C. R2 ethernet0/1 and R3 ethernet0/0 are configured with a non-default OSPF hello interval of 25; configure no Ip ospf hello-interval 25. D. RI ethernet0/1 configured with a non-default OSPF hello Interval of 25; configure no ip ospf hello-interval 25.

4. An OSPF neighbor adjacency is not formed between R3 in the main office and R6 in the Branch3 office. What is causing the problem?. There is an OSPF hello and dead Interval mismatch. There is an area ID mismatch. There is a PPP authentication issue; the username is not configured on R3 and R6. The R3 router ID IS configured on R6.