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: Apr 03, 2026

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Question 1

What is the MTU impact on the SDP path-mtu if fast reroute facilities-mode is implemented on the LSP?

A : ere will be no impact on the path-mtu

B : path-mtu will decrease by4 bytes.

C : path-mtu will increase by 4 bytes.

D : path-mtu will decrease by 8 bytes

E : path-mtu will increase by 8 bytes.

Answer: B

Question 2

Consider a large metro-to-metro VPLS network interconnected with a mesh of mesh-SDPs. Which of the following statements does NOT apply to this situation?

A : ndwidth and replication inefficiency can occur on inter-metro links if there is a lot of multicast traffic

B : number of control sessions grows exponentially in a fully meshed network

C : anning-tree is required to prevent loops when using mesh SDPs on the inter-metro links.

D : twork touches increase with each node added to the mesh.

Answer: C

Question 3

Click on the exhibit below.

Assume PE-B expects avian tag as part of the RFC 4762 (Martini) encapsulation. How must PE-A be configured?

A : port that the SAP belongs to must have the correct ether type configured.

B : SAP must be configured with the right VLAN tag

C : SDP VC type must be configured as type VLAN and the correct vlan-vc-tag must be specified

D : l of the above.

Answer: C

Question 4

How is it possible for multiple services to be carried over the same MPLS LSPs?

A : ltiple SDPs must be configured and bound to the LSPs for this to be possible.

B : It is not possible to carry multiple services over the same MPLS LSPs.

C : vc-label is signaled per service.

D : vc-id is part of the data plane and maps the traffic to the appropriate service.

Answer: A

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: Apr 03, 2026

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