PASS GUARANTEED FIRST-GRADE NOKIA 4A0-112 - NOKIA IS-IS ROUTING PROTOCOL RELIABLE TEST QUESTION

Pass Guaranteed First-grade Nokia 4A0-112 - Nokia IS-IS Routing Protocol Reliable Test Question

Pass Guaranteed First-grade Nokia 4A0-112 - Nokia IS-IS Routing Protocol Reliable Test Question

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Nokia 4A0-112 exam is a comprehensive exam that tests the candidate's knowledge and skillset in all aspects of IS-IS routing protocols. 4A0-112 exam consists of multiple-choice questions, simulations, and scenarios that test the candidate's ability to troubleshoot complex network issues. 4A0-112 Exam is challenging and requires candidates to have a deep understanding of IS-IS protocols and Nokia devices.

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Nokia 4A0-112 certification exam is an essential certification for network professionals who work in service provider environments. 4A0-112 exam covers a wide range of topics related to the IS-IS protocol, including protocol fundamentals, operation, and security. Passing 4A0-112 Exam demonstrates that the candidate has a deep understanding of the IS-IS protocol and its applications, which is a valuable skill in the networking industry.

Nokia IS-IS Routing Protocol Sample Questions (Q23-Q28):

NEW QUESTION # 23
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. Router R1 needs a static route to router R2.
  • B. Router R2 needs a static route to the PC.
  • C. The configured static route needs to be a default route.
  • D. The configured next hop does not belong to a subnet adjacent to R1.

Answer: D

Explanation:
In the configuration on router R1, the static route is defined with the next-hop IP address of 139.120.121.1.
However, the next-hop IP address 139.120.121.1 does not belong to the same subnet as the directly connected interface on R1, which is 172.31.1.1/30. For the static route to work properly, the next-hop IP address must be reachable via a directly connected interface, meaning it must be within the same subnet.
Therefore, this mismatch in subnet adjacency is likely causing the failure to reach the destination (139.120.121.2).


NEW QUESTION # 24
Consider the exhibit.

All routers are running IS-IS with IPv6 support enabled. Based on the topology shown, and the route tables of routers R3 and R4, which of the following statements is TRUE?

  • A. Route leaking is configured on router R1 but not on router R2.
  • B. Route leaking is configured on both routers R1 and R2.
  • C. There is no route leaking configured on router R1 or router R2.
  • D. Route leaking is configured on router R2 but not on router R1.

Answer: B

Explanation:
Based on the IPv6 route table output for R3 and R4, we can see that the routers have remote routes listed as "Remote ISIS", indicating that the route is being advertised from a different area (area 49.01 or 49.02). This is a sign of route leaking, where routes from one area are being shared across areas.
The routes from R3 (level-1 router) are being advertised to R4 (level-1 router), and vice versa, with ISIS as the protocol. This implies that there is route leaking configured to allow information to pass between areas.


NEW QUESTION # 25
There are several differences between IS-IS Hello packets used on broadcast interfaces and on point-to-point interfaces.
Which of the following statements is FALSE?

  • A. Broadcast Hello messages identify the elected designed IS (DIS) and point-to-point Hello messages do not.
  • B. The multicast MAC addresses to which the Hello messages are sent are different on broadcast interfaces and on point-to-point interfaces.
  • C. The neighbors are identified using their interface MAC addresses on broadcast Hello messages and using their system IDs on point-to-point Hello messages.
  • D. On broadcast interfaces there are different Hello packet types for level-1 and level-2 adjacencies, whereas on point-to-point interfaces there is a single Hello packet type.

Answer: C


NEW QUESTION # 26
Refer to the exhibit.

In the diagram, all routers are using IS-IS as their routing protocol. The number next to each link is its metric value.
What path will traffic follow from router R1 to router R7, and from router R7 to router R1?

  • A. Router R1 to router R7 will follow (R1-R2-R4-R6-R7). Router R7 to router R1 will follow (R7-R6-R4-R2-R1).
  • B. Router R1 to router R7 will follow (R1-R3-R5-R6-R7). Router R7 to router R1 will follow (R7-R6-R4-R2-R1).
  • C. Router R1 to router R7 will follow (R1-R2-R4-R6-R7). Router R7 to router R1 will follow (R7-R6-R5-R3-R1).
  • D. Router R1 to router R7 will follow (R1-R3-R5-R6-R7). Router R7 to router R1 will follow (R7-R6-R5-R3-R1).

Answer: A

Explanation:
From R1 to R7: The path will be R1 → R2 → R4 → R6 → R7 because this path has the least cumulative metric of 10 + 10 + 10 + 10 = 40.
From R7 to R1: The reverse path will follow R7 → R6 → R4 → R2 → R1 because it is the shortest return path with the same metrics.


NEW QUESTION # 27
Which of the following is a valid alternative representation of the IPv6 address
2001:0da8:0000:0000:0024:0000:4ab9:0300?

  • A. 2001:0da8::0024:0000:4ab9:03
  • B. 2001:da8::0:24::4ab9:300
  • C. 2001:da8::24::4ab9:300
  • D. 2001:da8::24:0:4ab9:300

Answer: A

Explanation:
In IPv6, consecutive sections of zeros can be abbreviated with a double colon (::) once in an address. Also, leading zeros in each hextet (group of four hexadecimal digits) can be removed.
The original address is 2001:0da8:0000:0000:0024:0000:4ab9:0300.
Removing leading zeros and applying the abbreviation:


NEW QUESTION # 28
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