Most Recent Nokia 4A0-105 Exam Dumps

Prepare for the Nokia Virtual Private LAN Services exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Nokia 4A0-105 exam and achieve success.

The questions for 4A0-105 were last updated on Feb 18, 2025.

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Question No. 1

Click on the exhibit below.

Which ports will become root ports? (Choose 3)

ABridge B 1/1/3

BBridge B 1/1/2

CBridge C 1/1/2

DBridge C 2/1/1

EBridge D 1/1/1

FBridge D 1/1/3

GBridge E 1/1/1

HBridge E 1/1/3

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Correct Answer: B, D, F

Question No. 2

In RSTP, how is the root bridge selected?

AThe switch with the highest bridge-id is selected as root.

BThe switch with the lowest bridge-id is selected as root.

CThe switch with the highest MAC address is selected as root

DThe switch with the lowest MAC address is selected as root.

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Correct Answer: B

Question No. 3

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?

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

BThe MAC addresses for the l-VPLS will age out immediately following the remote-age out of the backbone-macs of the B-VPLS.

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

DThe same timer is used for B-VPLS and l-VPLS addresses on the node.

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Correct Answer: B

Question No. 4

Why should you configure send-flush-on failure on your PE routers when using active/standby pseudowires?

AIt flushes the local FDB speeding recovery

BIt discards all packets in the queue and sends icmp-discad messages to the sender. The packets are re-transmitted resulting in no loss of data.

COn failure, the PE sends an LDP flush-all-from-me message to all PE devices in the VPLS. This speeds convergence to the new topology.

DIt is not important to use send-flush-on-failure as Active/Standby signalling automatically converges the FDB in all VPLS instances

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Correct Answer: C

Question No. 5

A router has just learned the 10th MAC address while the FDB size is also set to 10. What is the likely outcome?

AThe frame is dropped.

BThe frame is always flooded

CThe frame is forwarded and MAC learning is automatically disabled.

DThe frame is discarded if the destination is unknown.

EMore information is required to determine the fate of this new frame.

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Correct Answer: C

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