100% Pass Your 4A0-113 Exam Dumps at First Attempt with PassLeaderVCE [Q17-Q41]

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100% Pass Your 4A0-113 Exam Dumps at First Attempt with PassLeaderVCE

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The Nokia 4A0-113 exam is targeted at IT professionals working on Nokia IP networks, which include service providers, system integrators, and network engineers. The exam aims to assess the knowledge and skills needed to configure and manage OSPF routing protocols, including understanding of the protocol’s functionality, packet formats, and configuration options. Additionally, the exam covers OSPF network design, monitoring, and troubleshooting, which are essential skills for network engineers and system administrators.

Q17. What type of OSPF router generates a type 2 LSA?

Area Border Router

Autonomous System Boundary Router

Designated Router

All routers within an OSPF area.

Q18. Click the exhibit button.

If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24. What will be the preference of these two routes? Assume that all IS-IS routers are L1/L2 capable and are in the same are a. Choose two answers.

The OSPF internal preference

The IS-IS Level 1 internal preference

The IS-IS Level 2 internal preference

The OSPF external preference

The IS-IS Level 2 external preference

The IS-IS Level 1 external preference

Q19. Click the exhibit button.

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

Full; both routers are exchanging Helios to maintain the adjacency.

The adjacency is down.

The adjacency is in exstart state.

The adjacency is in the exchange state.

Q20. Which of the following is NOT a characteristic of RIPv1?:

30 second network updates

Classless routing

Broadcast advertisement

Poison Reverse

Q21. Click the exhibit button.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding Type 4 LSA generation is true?

Router R1 generates a Type 4 LSA that is flooded to areas 0, 1, and 2.

Router R3 generates a Type 4 LSA that is flooded to areas 0, 1, and 2.

Router R3 generates a Type 4 LSA that is flooded to areas 0 and 2.

Router R3 generates a Type 4 LSA that is flooded to area 0, and router R6 generates a Type 4 LSA that is flooded to area 2.

Q22. Which of the following commands can be used to display the number of SPF computations that have been performed on a router?

show router ospf area <area-id>

show router ospf neighbor

show router ospf interface

show router ospf status

Q23. Click on the exhibit.

Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF as shown. Assume the OSPF and IS-IS adjacencies are operational.
How many OSPF Type 5 LSAs will router R1 receive from router R2?

Q24. Click the exhibit button.

What is the command to configure a static route on the Nokia 7750 SR router R1 to reach the network behind router R2?

configure router static-route 139.120.121.0/24 next-hop 138.120.199.2

configure router static-route 139.120.121.0/24 next-hop 138.120.199.1

configure router static-route 138.120.199.2/24 next-hop 138.120.199.1

configure router static-route 139.120.121.0/24 next-hop 139.120.121.2

Q25. The Nokia 7750 SR supports which two of the OSPF area types below?

Not So Stubby Areas

Level 1 Areas

Stub Areas

Partially Stubby Areas

Q26. In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment? Choose three answers.

Area ID W B.

Hello and Dead intervals PC.

Stub flag

Checksum values

The list of neighbors

Q27. Click on the exhibit.

The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.
What may be causing this?

‘asbr’ is missing from router R1’s configuration.

Router R1 needs to have an export policy added to it.

Router R5 does not have an export policy for these prefixes.

Router R1 needs to have an import policy added to it.

Q28. What are some of the characteristics of Nokia’s implementation of non-stop routing? (Choose two)

No protocol extensions required

Only supported by OSPF and IS-IS

Transparent to routing neighbors

Uses Graceful Restart to inter-operate with other vendors

Q29. Click the exhibit button.

192.168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?

Add the “originate-default-route” option in the NSSA area configuration on router R3

Add the “summaries” option to the NSSA area configuration on router R1

Make a static route on router R1 to 192.168.3.1

Make a default route on router R2

Q30. Click the exhibit button.

Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?

Option A

Option B

Option C

Option D

Q31. Which of the following statements regarding the election of the designated router (DR) by OSPF routers are true? (Choose two)

The router with the lowest priority is the DR.

The router with the highest priority is the DR.

If priorities are the same, the DR is chosen based on the lowest RID.

If priorities are the same, the DR is chosen based on the highest RID.

Q32. An OSPF adjacency is stuck in the exstart state. What is the most likely cause?

The MTU does not match on both interfaces.

OSPF is not enabled on one of the routers.

The router ID is the same on both routers.

An OSPF Hello has not been received from the neighbor.

The interfaces are configured as point-to-point on one side and broadcast on the other.

Q33. What are the types of networks supported on an Nokia 7750 SR for OSPF? (Choose 2)

Broadcast

Non-Broadcast Multi-Access

Point-to-Point

Point-to-Multipoint

Q34. Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)

Router LSA

Network LSA

Summary Network LSA

Summary Router LSA

Q35. When an OSPF adjacency is stuck in the “ExchStart” state, what is the most likely cause?

The MTU does not match on both interfaces

OSPF is not enabled on one of the routers

The Router ID is the same on both routers

A OSPF Hello has not been received from the neighbor

Q36. Click the exhibit button.

Routers R1 , R2, and R3 are running a classful routing protocol between them. Assuming that router R1 advertises all directly connected networks, how will these networks be represented in router R3’s routing table?

Router R3’s routing table can only contain one of the routes, which will result in route flapping.

Router R3’s routing table will have one entry for 10.1.1.0/24 and one entry for 10.1.2.0/24.

The networks will be represented with one entry of 10.0.0.0/8 in router R3’s routing table.

The networks will be represented with one entry of 10.0.0.0/24 in router R3’s route table.

Q37. Click the exhibit button.

If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 preference of these two routes? Choose two answers.

The OSPF internal preference

The IS-IS Level 1 internal preference

The IS-IS Level 2 internal preference

The OSPF external preference

The IS-IS Level 2 external preference

The IS-IS Level 1 external preference

Q38. A static route is created using the command “static-route 2.3.4.0/24 next-hop 1.2.3.4”. What is the correct traceroute command to test this static route on an Nokia 7750 SR?

traceroute 2.3.4.1

traceroute 2.3.4.0/24 next-hop 1.2.3.4

traceroute next-hop 1.2.3.4

traceroute does not work on the Nokia 7750 SR

Q39. In an OSPF Hello packet what fields must match all neighbor routers on the segment? (Choose 3)

Area ID

Hello and Dead Intervals

Stub flag

DR and BDR addresses

The list of neighbors

Q40. Which type of OSPF LSA has the following characteristics: It is flooded only within the area it originates from and can be originated by any OSPF router within the area (including non-DR routers).

Type 1 Router LSA

Type 2 Network LSA

Type 3 Summary LSA

Type 4 ASBR LSA

Q41. Click the exhibit button.

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

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.

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.

Convergence will not be triggered because switches cannot run routing protocols between them.

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

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.

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The Nokia 4A0-113 exam is an industry-recognized certification designed to validate the skills and knowledge of network engineers in configuring and troubleshooting OSPF (Open Shortest Path First) routing protocol in Nokia networks. This exam is intended for network engineers and professionals who have intermediate to advanced-level experience in Nokia Service Router Operating System (SROS) and OSPF routing protocol. Passing this exam demonstrates the candidate’s proficiency in configuring and managing OSPF routing protocol, including implementing and troubleshooting complex OSPF networks in Nokia Service Router networks.

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