Most Recent Nokia 4A0-105 Exam Dumps

Prepare for the Nokia Virtual Private LAN Services exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Nokia 4A0-105 exam and achieve success.

The questions for 4A0-105 were last updated on Apr 21, 2026.

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Question No. 1

If a management VPLS is administratively disabled what will be the status of the associated user VPLS SAPs?

ARegular semantics will apply. It will be as if the SAP doesn't belong to a management VPLS.

BAll user VPLS SAPs will be disabled/pruned.

CIt is not possible to administratively disable a management VPLS.

DSpanning tree will be automatically enabled on the user VPLS SAPs.

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Correct Answer: B

Question No. 2

Why is it best practice to set the bridge priority in an STP network? (Choose 2)

AThis is not a best practice. Any switch can be used as the root bridge.

BSo that you know which links will be active in your network.

CTo prevent a new switch from becoming root when added to the network.

DTo allow all ports on the root switch to become alternate ports.

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Correct Answer: B, C

Question No. 3

Click on the exhibit below.

In the following diagram, traffic ingressing on SAP 1/2/3:1 will be passed to the layer-2 DPI device for inspection based on a filter policy applied to the ingress of the SAP. What feature should be enabled on SAP 1/2/1:100 and SAP 1/2/2:100 to ensure that incorrect information is not populated in the FDB of VPLS 1?

ALearning should be disabled on both SAPs connected to the DPI device to prevent FDB instability

BA MAC filter should be applied to both SAPs connected to the DPI to limit MAC learning on the port

CAn IP filter should be applied to both SAPs connected to the DPI to prevent FDB instability

DThe SAPs connected to the DPI should be configured with the 'discard-unknown' feature to limit MAC learning on the port

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Correct Answer: A

Question No. 4

The operation of a VPLS can be best described by which of the following statements?

AA frame should be sent to the PE that connects to the target site whenever possible.

BA frame should be flooded as little as possible.

CCustomer frames should be switched based on the destination MAC address.

DAll of the above.

EOnly (a) and (b) are true.

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Correct Answer: D

Question No. 5

What of the following is a key benefit of Active/Standby pseudowires?

AThe MDU does not need to support MPLS.

BCan be used in ring networks of 4 or more nodes

CDoes not require the use of a layer 2 loop prevention protocol such as RSTP

DThe MDU does not have to be aware of the active/standby configuration

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Correct Answer: C

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