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Providing You Realistic 4A0-112 Exam Questions Answers with 100% Passing Guarantee

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Nokia 4A0-112 certification exam assesses an individual's understanding and expertise in the Nokia IS-IS routing protocol. 4A0-112 exam is designed to validate the candidate's knowledge of the protocol's fundamentals, including its characteristics, design, and operation. 4A0-112 exam also evaluates the candidate's ability to configure and troubleshoot the Nokia IS-IS routing protocol effectively. Candidates who Pass 4A0-112 Exam demonstrate their ability to operate and maintain a network infrastructure using the Nokia IS-IS routing protocol.

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Nokia 4A0-112 Realistic Exam Questions Answers Free PDF Quiz

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Nokia IS-IS Routing Protocol Sample Questions (Q29-Q34):

NEW QUESTION # 29
Refer to the exhibit.

Routers R1 through R4 are running an IGP in such a way that they have each other's system IP addresses in their routing tables. A static route is configured on router R1 so that it can reach subnetwork 10.4.100.0/24. The network administrator decides to use an indirect static route, as shown in the diagram. However, pinging the server from router R1 fails. What may be the problem in this case?

A. Router R1 drops the echo request because address 10.10.10.3 does not belong to an adjacent router.
B. The echo request arrives at the server but there is no path for the echo response to return to router R1.
C. Router R3 drops the echo request because it does not have subnet 10.4.100.0/24 in its routing table.
D. Router R2 drops the echo request because it does not have subnet 10.4.100.0/24 in its routing table.

Answer: B

Explanation:
The static route configured on router R1 uses an indirect next-hop, which is 10.10.10.3 (R3). While the echo request from R1 reaches the server through the IGP, the problem lies in the return path for the echo response.
The route 10.4.100.0/24 is reachable through R3, but there is no reciprocal route in R3's routing table that allows the response to flow back towards R1. This results in a failure to return the echo response to R1, causing the ping to fail.

NEW QUESTION # 30
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 be established without authentication.
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 not be established.

Answer: D

Explanation:
IS-IS routers must have matching authentication settings to establish an adjacency. If one router is configured with authentication and the other is not, the routers will not be able to establish an adjacency because their authentication parameters do not match.

NEW QUESTION # 31
Refer to the exhibit.

Static routing is to be used in a network between a corporate head office and a branch office. The head office has many connected subnetworks, whereas the branch office has one subnetwork and a single connection to the head office. Which of the following is the most likely configuration on the head office and branch office routers?

A. The head office has a specific static route and the branch office has a default route.
B. The head office and the branch offices both have specific static routes.
C. The head office and the branch office both have default routes.
D. The head office has a default route and the branch office has a specific static route.

Answer: D

Explanation:
The head office has many connected subnetworks, so it will typically have a default route to forward traffic to the branch office (or external networks), since it may not need to define static routes for each branch network.
The branch office, which has only one subnetwork and a single connection to the head office, will have a specific static route to reach the head office subnet or other subnets at the head office, since it only needs to know the specific route to reach the head office's network.

NEW QUESTION # 32
When a router performs the SPF calculation, which router is used as the root of the shortest path tree?

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

Answer: D

Explanation:
When a router performs the SPF (Shortest Path First) calculation, it uses itself as the root of the shortest path tree (SPT). This router computes the shortest paths to all other routers in the network, treating itself as the origin and calculating the paths based on its view of the network.

NEW QUESTION # 33
Which of the following is NOT a function of the control plane a router?

A. To determine the best way to forward packets.
B. To establish routing paths to deliver packets from source to destination and to reestablish them in case of failure.
C. To utilize the forwarding tables to forward data packets towards their destination.
D. To exchange signaling messages with other routers.

Answer: C

Explanation:
The data plane (or forwarding plane) is responsible for actually forwarding the data packets. It uses the information stored in the forwarding table to determine how to move packets from one interface to another toward their destination.

NEW QUESTION # 34
......

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