Free Practice Nokia 4A0-105 Exam Questions 2025

Stay ahead with 100% Free Nokia Virtual Private LAN Services 4A0-105 Dumps Practice Questions

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Total 158 Questions | Updated On: Jun 06, 2025

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Question 1

Click on the exhibit below.

A new router named PE-D is to be directly connected to PE-C and is required to be added to the existing VPLS

300. The design requires the least amount of signaling, the least amount of configuration changes for existing

sites and the new site has to have access to all existing sites. How should the new site be added to VPLS 300?

A : Configure a mesh-sdp between all existing PE routers and the new PE router

B : Configure a mesh-sdp between PE-C and PE-D

C : Configure a spoke-sdp between PE-C and PE-D.

D : It is not possible to meet the design requirements.

Answer: C

Question 2

What is the maximum number of VLANs supported on a traditional Layer 2 switch?

A : 4094

B : 8190

C : 32768

D : 131071

Answer: A

Question 3

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

A : TRUE

B : FALSE

Answer: B

Question 4

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

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

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

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

Answer: A

Question 5

How is the Primary Bridge chosen in a VPLS?

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

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

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

Answer: B

Page: 1 / 32

Total 158 Questions | Updated On: Jun 06, 2025

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