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You are here: Home / CCNA / CCNA 200-125 Exam: OSPF Questions With Answers

CCNA 200-125 Exam: OSPF Questions With Answers

March 27, 2020 by Marques Brownlee

CCNA 200-125 Exam: OSPF Questions With Answers

Question 1. Which three statements about link-state routing are true? (Choose three)
A. It uses split horizon.
B. Updates are sent to a broadcast address.
C. RIP is a link-state protocol.
D. Updates are sent to a multicast address by default.
E. Routes are updated when a change in topology occurs.
F. OSPF is a link-state protocol.

Answer: D E F

Question 2. Which three characteristics are representative of a link-state routing protocol? (Choose three)
A. provides common view of entire topology
B. exchanges routing tables with neighbors
C. calculates shortest path
D. utilizes event-triggered updates
E. utilizes frequent periodic updates

Answer: A C D

Question 3. What are two drawbacks of implementing a link-state routing protocol? (Choose two)
A. the sequencing and acknowledgment of link-state packets
B. the high volume of link-state advertisements in a converged network
C. the requirement for a hierarchical IP addressing scheme for optimal functionality
D. the high demand on router resources to run the link-state routing algorithm
E. the large size of the topology table listing all advertised routes in the converged network

Answer: C D

Question 4. Refer to the exhibit. Router edge-1 is unable to establish OSPF neighbor adjacency with router ISP-1. Which two configuration changes can you make on edge-1 to allow the two routers to establish adjacency? (Choose two)

A. Set the subnet mask on edge-1 to 255 255.255.252.
B. Reduce the MTU on edge-1 to 1514.
C. Set the OSPF cost on edge-1 to 1522.
D. Reduce the MTU on edge-1 to 1500.
E. Configure the ip ospf mtu-ignore command on the edge-1 Gi0/0 interface.

Answer: D E

Question 5. A network administrator is troubleshooting the OSPF configuration of routers R1 and R2. The routers cannot establish an adjacency relationship on their common Ethernet link. The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2. Based on the information in the graphic, what is the cause of this problem?

A. The OSPF area is not configured properly.
B. The priority on R1 should be set higher.
C. The cost on R1 should be set higher.
D. The hello and dead timers are not configured properly.
E. A backup designated router needs to be added to the network.
F. The OSPF process ID numbers must match.

Answer: D

Question 6. What routing protocol use first-hand information?
A. link-state
B. distance-vector
C. path-vector
D. other

Answer: A

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