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4A0-105 Nokia Virtual Private LAN Services Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Nokia 4A0-105 Nokia Virtual Private LAN Services certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 156 questions

Which of the following must be true in order to add a port to a LAG? (Choose 2)

A.

ports must be on the same MDA

B.

ports must have the same speed and duplex settings

C.

auto negotiation must be on

D.

auto negotiation must be off or limited

E.

port must be in access mode only

IEEE 802.3ah frames must be untagged.

A.

TRUE

B.

FALSE

Which of the following best describes the difference between VPWS and VPLS?

A.

Unlike VPLS. VPWS appears as a multi-hop network to the customers.

B.

Unlike VPLS, VPWS allows CEs that are member of the same service instance to communicate with each other as if they are connected via a bridged LAN.

C.

Unlike VPWS, VPLS allows customers to view the network as a routed network.

D.

Unlike VPWS, VPLS is a service where customer MAC addresses are learned.

Click on the exhibit below.

Which port will become the alternate port?

A.

Bridge B 1/1/3

B.

Bridge B 1/1/2

C.

Bridge C 1/1/2

D.

Bridge C 2/1/1

E.

Bridge D 1/1/1

F.

Bridge D 1/1/3

G.

Bridge E 1/1/1

How does PBB forward broadcast, unknown-unicast and multicast traffic from a B-VPLS to an l-VPLS?

A.

The receiving PE checks the l-TAG in the l-SID to determine if there is a local l-VPLS on the node.

B.

The receiving PE checks the l-SID in the l-TAG to determine if there is a local l-VPLS on the node.

C.

The receiving PE checks the service label in the mpls header to determine if there is a local l-VPLS on the node.

D.

The receiving PE checks the multicast B-DA to see if an l-SID has been mapped to the B-DA that matches a local l-VPLS on the node.

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

A.

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

B.

A frame should be flooded as little as possible.

C.

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

D.

All of the above.

E.

Only (a) and (b) are true.

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Total 156 questions
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