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<table><tbody><tr><td>Question 1.<strong>1. </strong>Router_A is currently the OSPF designated router (DR). When will an election occur for a new DR? (Points : 2)</td> </tr></tbody></table>       When a new router comes up with a higher OSPF priority<br />       When the point-to-point interface of the current DR goes down<br />       When the DR fails<br />       Answers A, B, and C are correct.<br />       None of the above.<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 2.<strong>2. </strong>Router1 and Router2 are configured to run the OSPF routing protocol. The two routers are connected via point-to-point serial interfaces. Select the most likely sentence that describe how OSPF works between the two routers. (Points : 2)</td> </tr></tbody></table>       Router1 may become DR on the point-to-point link if it comes up first.<br />       Router2 may become DR if it has higher priority than Router1.<br />       Router1 may become BDR if it has lower priority than Router2.<br />       Answers A, B, and C are correct.<br />       None of the above<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 3.<strong>3. </strong>An OSPF router is configured with a basic hello timer of 30 seconds. What will the default dead interval timer be? (Points : 2)</td> </tr></tbody></table>       30 seconds<br />       90 seconds<br />       60 seconds<br />       10 seconds<br />       120 seconds<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 4.<strong>4. </strong>The OSPF packet header contains _____. (Points : 2)</td> </tr></tbody></table>       the area priority field<br />       the DROther field<br />       the Type code for OSPF packet type<br />       the router autonomous system field<br />       Answers A and B are correct.<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 5.<strong>5. </strong>Which command will verify that a router that is running OSPFv3 has formed an adjacency with other routers in its OSPF area? (Points : 2)</td> </tr></tbody></table>       show running-configuration<br />       show ip ospf neighbor<br />       show ipv6 ospf neighbor<br />       show ipv6 route ospf<br />       show ipv6 interface brief<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 6.<strong>6. </strong>Single area OSPFv3 has been enabled on a router via the ipv6 router ospf 15 command. Which command will enable this OSPFv3 process on an interface of that router? (Points : 2)</td> </tr></tbody></table>       ipv6 ospf 0 area 0<br />       ipv6 ospf 15 area 15<br />       ipv6 ospf 0 area 0, 15<br />       ipv6 ospf 15 area 0<br />       None of the above<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 7.<strong>7. </strong>Which command will provide information specific to OSPFv3 and static routes in the routing table? (Points : 2)</td> </tr></tbody></table>       show ip route ospf<br />       show ip route ospfv3<br />       show ipv6 route<br />       show ip route ospf<br />       show ipv6 route ospf<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 8.<strong>8. </strong>A network administrator enters the command ipv6 router ospf 110 in global configuration mode. What is the result of this command? (Points : 2)</td> </tr></tbody></table>       The router will be assigned an autonomous system number of 110.<br />       The router will be assigned a router ID of 110.<br />       The reference bandwidth will be set to 110 Mb/s.<br />       The OSPFv3 AS number will be assigned an ID of 64.<br />       None of the above<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 9.<strong>9. </strong>Which command should be used to check the OSPF process ID and router ID, the OSPF area information, as well as the last time the SPF algorithm was calculated? (Points : 2)</td> </tr></tbody></table>       show ip protocols<br />       show ip ospf neighbor<br />       show ip ospf<br />       show ip ospf interface<br />       None of the above<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 10.<strong>10. </strong>A router in OSPF router has a data rate of 10 Mbps on one of its interfaces. What will the OSPF cost of that link be? (Points : 2)</td> </tr></tbody></table>       110<br />       64<br />       128<br />       10<br />       100<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 11.<strong>11. </strong>R1 is currently the DR router. R2 is currently the BDR router. R3 is currently the DROther. Your IT Manager has asked you to make R3 the DR and R2 the BDR. Which answer will achieve that goal? (Points : 2)</td> </tr></tbody></table>       Change the priority number on R3 to be the highest.<br />       Change the priority on R2 to be the second highest.<br />       Answers A and B are correct.<br />       Boot up R3 first followed by R2, and then R1.<br />       Shutdown R3, R2, and R1 interfaces and bring them back up in the reverse order.<br /></td> </tr></tbody></table><br /><table><tbody><tr><td> <table><tbody><tr><td>Question 12.<strong>12. </strong>(TCO 5) Cisco’s routers use this first to determine router-ID in OSPF. Assume IP addresses are configured on Physical and Loopback Interfaces only. (Points : 3)</td> </tr></tbody></table>       IP addresses on physical interfaces<br />       Lowest loopback IP addresses<br />       Most active IP address<br />       Largest loopback IP addresses<br />       None of the above<br /></td> </tr></tbody></table><br /></td> </tr></tbody></table>

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