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  1. Home
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  3. 4A0-C01

Nokia 4A0-C01 Exam (page: 16)
Nokia NRS II Composite Exam
Updated on: 15-Feb-2026

Viewing Page 16 of 170
4A0-C01 PDF 852 Questions

How are IS-IS LSPs sent on point-to-point links?

  1. They are sent using multicast MAC addresses 0180:0200:0014.
  2. They are sent using multicast MAC addresses 0180:c200:0015.
  3. They are sent using a unicast address.
  4. None of the above.

Answer(s): C



Click the exhibit button.

What triggers convergence of the routing protocol when the link between switch 1 and switch 2 goes down?

  1. Convergence is triggered when the adjacency between routers R1 and R2 drops as a result of Hello timeouts. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.
  2. Convergence is triggered when the physical interfaces between routers R1 and R2 go down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.
  3. Convergence will not be triggered because switches cannot run routing protocols between them.
  4. Convergence is triggered when the switches notify the routers about the link state information. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged
  5. Convergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link is down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

Answer(s): A



Click the exhibit button.

Given the diagram below, what path will traffic follow from router R6 to router R3, and from router R3 to router R6, if IS-IS is the routing protocol? The numbers beside the links are the metrics for that link.

  1. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R2-R5-R6).
  2. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R4-R2-R5-R6).
  3. Router R6 to router R3 will follow (R6-R5-R2-R3). Router R3 to router R6 will follow (R3-R4-R7-R5-R6).
  4. Router R6 to router R3 will follow (R6-R5-R7-R4-R3). Router R3 to router R6 will follow (R3-R4-R7-R5-R6).

Answer(s): C



Click the exhibit button.

Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?

  1. Full; both routers are exchanging Helios to maintain the adjacency.
  2. The adjacency is down.
  3. The adjacency is in exstart state.
  4. The adjacency is in the exchange state.

Answer(s): C



Refer to the exhibit below.

R1 distributes its loopbacks into IS-IS and globally routed addresses are configured as shown. How many routes will R4 have in its IPv6 route table?

  1. 1
  2. 2
  3. 3
  4. 4
  5. 6
  6. 7

Answer(s): C



Viewing Page 16 of 170



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