THREE FORMATS FOR NOKIA 4A0-112 PRACTICE TESTS

Three Formats for Nokia 4A0-112 Practice Tests

Three Formats for Nokia 4A0-112 Practice Tests

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Tags: 4A0-112 Free Learning Cram, 4A0-112 Reliable Test Experience, 4A0-112 Practice Guide, 4A0-112 Materials, Test 4A0-112 Questions Vce

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TestBraindump has launched the 4A0-112 exam dumps with the collaboration of world-renowned professionals. TestBraindump Nokia 4A0-112 exam study material has three formats: 4A0-112 PDF Questions, desktop Nokia 4A0-112 practice test software, and a 4A0-112 web-based practice exam. You can easily download these formats of Nokia IS-IS Routing Protocol (4A0-112) actual dumps and use them to prepare for the Nokia 4A0-112 certification test.

Nokia 4A0-112 exam focuses on the Nokia IS-IS routing protocol, which is an essential aspect of network routing. 4A0-112 exam aims to validate your skills and knowledge in configuring, monitoring, and troubleshooting the Nokia IS-IS routing protocol. Passing 4A0-112 Exam is essential for network engineers who want to design and manage complex networks using Nokia's networking solutions.

Nokia IS-IS Routing Protocol Sample Questions (Q24-Q29):

NEW QUESTION # 24
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. Media Dependent Adapter (MDA)
  • B. Switch Fabric (SF)
  • C. Input/Output Module (IOM)
  • D. Control Processing Module (CMP)

Answer: C

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 # 25
Refer to the exhibit.

All routers in the diagram are running a link-state routing protocol. Before the link failure, all routers have operational adjacencies with each other and there is a BFD session between routers R1 and R3. After the link failure, which of the following affects the routing protocol's convergence time?

  • A. The value of the Ethernet hello timers on the switches.
  • B. The value of the BFD transmit interval, receive interval and multiplier settings on routers R1 and R3.
  • C. The time taken by the switches to detect that the physical ports are down.
  • D. The value of the routing protocol hello timers on routers R1 and R3.

Answer: B

Explanation:
BFD (Bidirectional Forwarding Detection) is used to detect link failures quickly and helps improve convergence time in link-state routing protocols. The BFD session between routers R1 and R3 allows them to detect the failure of the link between them more quickly than the regular routing protocol hello timers. The transmit interval, receive interval, and multiplier settings determine how fast BFD detects a failure and triggers the routing protocol to converge, which directly impacts the convergence time.


NEW QUESTION # 26
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. There is no route leaking configured on router R1 or router R2.
  • B. Route leaking is configured on both routers R1 and R2.
  • C. Route leaking is configured on router R2 but not on router R1.
  • D. Route leaking is configured on router R1 but not on router R2.

Answer: B

Explanation:
From the route tables of R3 and R4, we can see that remote routes are present, with R3 and R4 both having routes referencing routers in different areas (Area 49.01 and 49.02). These remote routes are characteristic of route leaking, which is the process of sharing routes between different IS-IS areas.
R3 has routes for R1, R2, and R4, which are in Area 49.01, suggesting that R1 and R2 have advertised their routes to R3, possibly due to route leaking.
R4 has similar routes for R2 and R3, indicating that R2 might have advertised its routes to R4.
This sharing of routes between areas is indicative of route leaking being configured on both R1 and R2, allowing these routes to be shared across the areas.


NEW QUESTION # 27
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. The neighbors are identified using their interface MAC addresses on broadcast Hello messages and using their system IDs on point-to-point Hello messages.
  • B. The multicast MAC addresses to which the Hello messages are sent are different on broadcast interfaces and on point-to-point interfaces.
  • C. Broadcast Hello messages identify the elected designed IS (DIS) and point-to-point Hello messages do not.
  • 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: A


NEW QUESTION # 28
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 not be established.
  • C. The two routers will negotiate the authentication parameters and the establish an adjacency.
  • D. An adjacency will be established with authentication using the default parameters defined for IS-IS routers.

Answer: B

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 # 29
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