4A0-112 TEST SCORE REPORT - 4A0-112 LATEST EXAM REVIEW

4A0-112 Test Score Report - 4A0-112 Latest Exam Review

4A0-112 Test Score Report - 4A0-112 Latest Exam Review

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Tags: 4A0-112 Test Score Report, 4A0-112 Latest Exam Review, New 4A0-112 Braindumps Sheet, 4A0-112 Latest Exam Format, High 4A0-112 Quality

Often candidates fail the 4A0-112 exam due to the fact that they do not know the tactics of attempting the Nokia IS-IS Routing Protocol (4A0-112) exam in an ideal way. The decisive part is often effective time management. Some Nokia 4A0-112 Exam Questions demand more attention than others, which disturbs the time allotted to each topic. The best way to counter them is to use an updated 4A0-112 Dumps.

Nokia 4A0-112 Certification Exam is a challenging exam that requires a lot of preparation and study. Nokia provides a comprehensive study guide and training courses to help candidates prepare for the exam. The study guide covers all the exam topics in detail and provides practice questions to help candidates test their knowledge.

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4A0-112 Latest Exam Review | New 4A0-112 Braindumps Sheet

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Nokia 4A0-112 Exam is intended for network engineers and administrators who want to improve their knowledge and understanding of IS-IS routing protocols. 4A0-112 exam covers a broad range of topics, including IS-IS terminology, protocol operations, configuration, and troubleshooting. Candidates who pass the exam will have demonstrated their ability to implement and maintain IS-IS routing protocols in a Nokia network.

Nokia IS-IS Routing Protocol Sample Questions (Q26-Q31):

NEW QUESTION # 26
Refer to the exhibit.

Examine the physical topology of the IS-IS network, the metrics of the links and the levels of the routers. All routers have their system interfaces included in IS-IS. Which of the following statements describes the route-table entry that router R4 will use to reach the system IP address of router R6?

  • A. Router R4 will have a default route with router R2 as the next-hop.
  • B. Router R4 will not have a matching entry in its routing table for router R6's system IP address.
  • C. Router R4 will have a route to router R6's system IP address with router R2 as the next-hop.
  • D. Router R4 will have a default route with router R3 as the next-hop.

Answer: C

Explanation:
Router R4 is in Area 49.0001 and R6 is in Area 49.0002. Both routers are Level 2 (L2), meaning that they can communicate across areas using Level 2 IS-IS routing.
Since R2 is the L1/L2 router that connects both Area 49.0001 and Area 49.0002, it will be the next-hop for router R4 to reach R6's system IP address.
The IS-IS protocol will ensure that R4 will have a route to R6's system IP address via R2 as the next-hop.


NEW QUESTION # 27
Which component of the Nokia 7750 SR is in charge of performing the longest prefix match lookup on packets that arrive on the physical interfaces?

  • A. Switch Fabric (SF)
  • B. Control Processing Module (CMP)
  • C. Media Dependent Adapter (MDA)
  • D. Input/Output Module (IOM)

Answer: D

Explanation:
The Input/Output Module (IOM) is responsible for performing the longest prefix match (LPM) lookup on packets that arrive at the physical interfaces. The IOM performs this function by examining the destination IP address of incoming packets and using the routing table to determine the best match.


NEW QUESTION # 28
Refer to the exhibit.

Routers R1, R2, R3, and R4 are running IS-IS. Assuming all interfaces are added to IS-IS as point-to-point and no commands are issued at the interface level to restrict adjacencies, which of the following statements is TRUE?

  • A. Routers R1 and R2 are L2 routers. Routers R3 and R4 are L1/L2 routers.
  • B. All four routers are L1/L2.
  • C. Routers R1 and R2 are L2 routers. Routers R3 and R4 are L1 routers.
  • D. Routers R1 and R2 are L1/L2 routers. Routers R3 and R4 are L1 routers.

Answer: D

Explanation:
From the output, we can see that the usage column indicates whether a router is operating as an L1 or L2 router:
The L1/L2 designations refer to whether the routers participate in both Level 1 and Level 2 of IS-IS:
In this case, R1 and R2 are L2 routers, and R3 and R4 are L1 routers.


NEW QUESTION # 29
A router running a link-state routing protocol detects that one of its neighbors is no longer connected to it. The router generates a new link-state advertisement to inform other routers of the topology change. Which of the following is NOT an action that is triggered by this event?

  • A. Every router that receives the new link-state advertisement runs the SPF algorithm to recalculate its shortest-path tree and its forwarding database.
  • B. Every router that receives the new link-state advertisement updates its age field before forwarding it.
  • C. If a router receives multiple copies of the new link-state advertisement, it will simply ignore all copies received after the first one.
  • D. If a router receives the new link-state advertisement, it acknowledges it, stores it, and forwards it to its own neighbors.

Answer: B

Explanation:
When a router receives a link-state advertisement (LSA), it does not update the age field before forwarding it. The age field in an LSA is typically updated by the originating router or during the process of forwarding the LSA within the network. Routers do not modify the age field upon receiving and forwarding an LSA.


NEW QUESTION # 30
On a broadcast interface, an IS-IS router receives an LSP that is newer than the one on its database. Which of the following statements best describes the actions taken by the router as a consequence?

  • A. The router updates its database with the LSP and acknowledges it with a PSNP.
  • B. The router updates its database with the LSP and floods a copy to its neighbors on other interfaces.
  • C. The router sends back a copy of the LSP from its database to its neighbor.
  • D. The router updated its database with the LSP, acknowledges the LSP with a PSNP, and floods a copy to its neighbors on other interfaces.

Answer: D

Explanation:
When an IS-IS router receives a newer LSP (Link-State PDU) than the one already in its database, it takes the following actions:
Updates its link-state database with the new LSP.
Acknowledges the LSP with a PSNP (Partial Sequence Number PDU), which is sent to the router that originated the LSP, confirming the receipt of the newer LSP.
Floods a copy of the updated LSP to its neighbors on other interfaces to ensure all routers in the network have the updated topology information.


NEW QUESTION # 31
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