Free Nokia 4A0-105 Exam Questions

Become Nokia Certified with updated 4A0-105 exam questions and correct answers

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Total 158 Questions | Updated On: Oct 27, 2026

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Question 1

Which of the following needs to be considered when designing Ethernet networks with redundancy?

A : ocessing the TTL takes extra time

B : learning rate is doubled.

C : size is doubled

D : quires a protocol to remove loops

Answer: D

Question 2

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?

A : arning should be disabled on both SAPs connected to the DPI device to prevent FDB instability

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

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

D : SAPs connected to the DPI should be configured with the "discard-unknown" feature to limit MAC learning on the port

Answer: A

Question 3

How is the Primary Bridge chosen in a VPLS?

A : PE devices participating in the VPLS mesh run a separate Spanning Tree instance in the Core. The Primary Bridge is the Root Bridge for the VPLS mesh.

B : PE devices participating in the VPLS mesh determine which bridge is closest to Root Bridge. This bridge becomes the Primary Bridge.

C : PE devices participating in the VPLS mesh determine which bridge has the lowest bridge-id. This bridge becomes the Primary Bridge.

D : PE devices participating in the VPLS mesh determine which bridge is the Root Bridge. This becomes the Primary Bridge.

Answer: B

Question 4

When deploying Active/Standby pseudowires, the CE does not require any special configuration

A : UE

B : LSE

Answer: B

Question 5

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

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

B : l user VPLS SAPs will be disabled/pruned

C : is not possible to administratively disable a management VPLS

D : anning tree will be automatically enabled on the user VPLS SAPs.

Answer: B

Page: 1 / 32

Total 158 Questions | Updated On: Oct 27, 2026

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