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: Jun 04, 2025

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Question 1

If the max remote-age timer of a B-VPLS is reached, what happens to the remotely learned MAC addresses in the l-VPLS service?

A : ere is no effect. The MAC addresses for the l-VPLS age out independently of the aging of B-VPLS addresses

B : MAC addresses for the l-VPLS will age out immediately following the remote-age out of the backbonemacs of the B-VPLS

C : default, the remote-age timer of the B-VPLS is configured to 0 and addresses do not age out. The lVPLS uses its own timer.

D : The same timer is used for B-VPLS and l-VPLS addresses on the node.

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

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 4

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

Question 5

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

A : 4094

B : 8190

C : 32768

D : 131071

Answer: A

Page: 1 / 32

Total 158 Questions | Updated On: Jun 04, 2025

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