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Nokia IS-IS Routing Protocol - 4A0-112 Exam Questions

Page: 1 / 9
Total 42 questions

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QUESTION NO: 1
When a router performs the SPF calculation, which router is used as the root of the shortest path tree?

A. The router's closest neighbor. B. The router with the lowest router ID. C. The router doing the calculation. D. The router with the fewest links.

Correct Answer: C

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QUESTION NO: 2
Which of the following statements about IS-IS is FALSE?

A. A level-1 router forwards traffic to other areas through the nearest I eve I-1/1 eve I-2 router. B. In IS-IS, routers are associated with an area, not the interfaces. C. IS-IS uses the concept of level-1 and level-2 routers to implement hierarchy. D. A router becomes level-2 when it is associated with the backbone area.

Correct Answer: B

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QUESTION NO: 3
Two IS-IS routers are exchanging Hello packets. One is configured to use authentication and the other is not. Which of the following statements is TRUE?

A. An adjacency will not be established. B. An adjacency will be established with authentication using the default parameters defined for IS-IS routers. C. The two routers will negotiate the authentication parameters and the establish an adjacency. D. An adjacency will be established without authentication.

Correct Answer: A

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QUESTION NO: 4
Refer to the exhibit.

A static route has been configured on router R1 to reach the PC at 139.120.121.2.
What might be causing the ping to fail?

A. The configured next hop does not belong to a subnet adjacent to R1. B. The configured static route needs to be a default route. C. Router R1 needs a static route to router R2. D. Router R2 needs a static route to the PC.

Correct Answer: A

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QUESTION NO: 5
Which of the following is NOT a required configuration step to successfully run IS-IS on a router?

A. The IS-IS context needs to be enabled. B. A reference bandwidth needs to be configured to calculate link costs. C. The router needs to be associated with an IS-IS area ID. D. Layer-3 interfaces that will participate in IS-IS need to be identified.

Correct Answer: B

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Page: 1 / 9
Total 42 questions

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