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  • 4A0-105: Nokia Virtual Private LAN Services

Nokia 4A0-105 Exam Questions

Exam Name: Nokia Virtual Private LAN Services
Exam Code: 4A0-105
Related Certification(s): Nokia Service Routing Architect Certification
Certification Provider: Nokia
Actual Exam Duration: 90 Minutes
Number of 4A0-105 practice questions in our database: 156 (updated: Mar. 08, 2026)
Expected 4A0-105 Exam Topics, as suggested by Nokia :
  • Topic 1: Explain the concept of a hierarchical VPLS and its benefits for large VPLS networks/ Describe the advantages of a VPLS and configure a VPLS service
  • Topic 2: Describe the use of active and standby pseudowires to achieve redundancy instead of STP/ Describe the VPLS FDB and list the tools required to maintain the VPLS FDB
  • Topic 3: Describe the use of LAG and MC-LAG in providing resiliency in a VPLS configuration/ Using the basic components of services (SAPs and SDPs), create a simple VPLS
  • Topic 4: Explain the key scalability concerns in large VPLS deployments/ Review Ethernet technology, MPLS features and the terminology of SAPs and SDPs in services
  • Topic 5: Define management VPLS (M-VPLS) and how it can be used with STP to provide redundancy and load balancing/ Manage a VPLS infrastructure, and troubleshoot and repair a misconfigured VPLS
  • Topic 6: Implement loop control mechanisms such as rapid spanning tree in a VPLS environment/ Explain the impacts of MTU on a distributed VPLS service
  • Topic 7:
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Yvonne

3 days ago
Cleared the Nokia Virtual Private LAN Services exam! Thanks to Pass4Success, I felt well-prepared. One question that puzzled me was about the advantages of using VPLS for disaster recovery. I wasn't sure about the specific benefits, but I still passed.
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Yoko

10 days ago
VPLS service delimiting was an important topic. Be prepared to explain different methods of service delimitation in VPLS, including Q-in-Q and QinQ variations.
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Sunny

18 days ago
I was nervous, but the p4s practice tests prepared me perfectly. Revise your weak areas thoroughly, and you'll ace this exam.
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Allene

26 days ago
Thanks to Pass4Success, I felt confident tackling the exam. Focus on VPLS security features - MAC filtering, IP anti-spoofing, and DoS protection were all covered.
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Jesusita

1 month ago
Passing the Nokia Virtual Private LAN Services exam was a breeze with Pass4Success. Focus on understanding the core concepts, not just memorizing facts.
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Helene

1 month ago
Passed Nokia VPLS in record time! Pass4Success made it possible with their focused materials.
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Whitley

2 months ago
The hardest part was understanding MPLS label distribution and LDP quirks in different topologies; pass4success practice exams helped me spot the tricky edge cases and memorize the sequences.
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Nada

2 months ago
The Pass4Success practice exams were a game-changer for me. Manage your time wisely, and don't get bogged down on any single question.
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Ira

2 months ago
I started anxious about the tricky Nokia VPLS topics, but P4S broke them into manageable chunks and boosted my confidence with real-world scenarios. Stay persistent—you've got this!
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Tiera

2 months ago
I passed the Nokia VPLS exam, and the Pass4Success practice questions were incredibly helpful. There was a question about the role of the CE router in a VPLS network. I was a bit confused about its responsibilities in terms of MAC address learning, but I managed to pass.
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Annabelle

3 months ago
Nokia VPLS exam conquered! Pass4Success questions were incredibly relevant.
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Tashia

3 months ago
Passed the Nokia Virtual Private LAN Services exam! The Pass4Success practice questions were invaluable. One challenging question asked about the scalability of VPLS in large networks. I wasn't sure how VPLS handles large-scale MAC address tables, but I passed anyway.
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Jolanda

3 months ago
I just passed the Nokia VPLS exam, and the Pass4Success practice questions were a great help. There was a tough question on the differences between point-to-point and multipoint VPLS in [Module 4 ?]. I wasn't entirely sure, but I still passed.
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Irene

3 months ago
I successfully passed the Nokia VPLS exam, and the Pass4Success questions were a great resource. There was a question about the differences between VPLS and traditional WAN services. I was unsure about the specific benefits of VPLS in certain scenarios, but I still managed to pass.
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Julieta

4 months ago
Just passed the Nokia Virtual Private LAN Services exam! The Pass4Success practice questions were essential. One question that stumped me was about the role of the NMS in a VPLS network. I wasn't entirely sure about its functions, but I still passed.
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Azzie

4 months ago
I passed the Nokia VPLS exam, and the Pass4Success questions were a big help. There was a tricky question about the differences between VPLS and VPWS. I was uncertain about the specific use cases for each, but I managed to pass.
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Romana

4 months ago
Aced Nokia VPLS certification! Pass4Success materials were a lifesaver for quick prep.
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Devorah

4 months ago
My nerves kicked in during the mock sections, yet p4s gave me practical drills and steady progress checks that made the material click. Keep at it; you're closer than you think!
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Allene

5 months ago
I was jittery before the exam, doubting if I could recall all the details, but pass4success structured practice and concise explanations boosted my confidence. If I can do it, you can too—trust the prep and stay focused!
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Cordie

5 months ago
Just passed the Nokia VPLS exam! Thanks Pass4Success for the spot-on practice questions.
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Glennis

5 months ago
Excited to share that I passed the Nokia VPLS exam. The practice questions from Pass4Success were very helpful. One question that puzzled me was about the redundancy mechanisms in VPLS networks in [Module 5 ?]. I wasn't completely sure of the answer, but I succeeded.
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Lorrine

5 months ago
Cleared the Nokia Virtual Private LAN Services exam! Thanks to Pass4Success, I felt well-prepared. One question that puzzled me was about the advantages of using VPLS for disaster recovery. I wasn't sure about the specific benefits, but I still passed.
upvoted 0 times
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Marcos

6 months ago
Nokia VPLS certification done! Pass4Success, thanks for the efficient exam prep.
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Charlena

6 months ago
I passed the Nokia VPLS exam, and the Pass4Success practice questions were incredibly helpful. There was a question about the role of the CE router in a VPLS network. I was a bit confused about its responsibilities in terms of MAC address learning, but I managed to pass.
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Johnna

6 months ago
Nokia VPLS exam success! Pass4Success, your questions aligned perfectly with the real test.
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Mona

6 months ago
Just passed the Nokia Virtual Private LAN Services exam! The Pass4Success practice questions were a lifesaver. One question that caught me off guard was about the configuration of VPLS on a Nokia router. I wasn't entirely sure about the command syntax, but I still passed.
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Olga

8 months ago
The exam included questions on VPLS integration with MPLS networks. Understand how VPLS leverages MPLS for transport and label distribution.
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Brandon

9 months ago
VPLS OAM was a key topic. Study different OAM tools used in VPLS networks for fault detection and performance monitoring.
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Tasia

9 months ago
Passed Nokia VPLS with flying colors! Pass4Success, your materials were a game-changer.
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Claudio

11 months ago
Nokia VPLS certified! Pass4Success made the study process quick and painless.
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Carmela

12 months ago
Nailed the Nokia VPLS exam! Pass4Success, your practice tests were invaluable.
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Margot

12 months ago
Pass4Success really helped me ace the Nokia VPLS exam. Pay attention to VPLS auto-discovery mechanisms - both BGP and LDP-based methods were covered.
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Rupert

1 year ago
The exam tested knowledge on VPLS split horizon. Be ready to explain its importance in preventing loops and how it's implemented in different VPLS architectures.
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Kyoko

1 year ago
Nokia VPLS cert in the bag! Pass4Success, thanks for the timely preparation resources.
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Lizette

1 year ago
VPLS MAC address limit was an important topic. Understand how to configure and manage MAC address limits to prevent MAC table overflow attacks.
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Diane

1 year ago
Thanks to Pass4Success for the comprehensive material. VPLS MTU handling was covered - be prepared to troubleshoot MTU mismatch scenarios in VPLS networks.
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Long

1 year ago
Success on the Nokia VPLS exam! Pass4Success, your questions were right on target.
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Kattie

1 year ago
The exam included questions on VPLS interworking with other L2VPN services. Study the differences and similarities between VPLS and VPWS.
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Aja

1 year ago
I successfully passed the Nokia VPLS exam, and the Pass4Success questions were a great resource. There was a question about the differences between VPLS and MPLS. I was uncertain about the specific benefits of using VPLS over MPLS in certain scenarios, but I still managed to pass.
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Fernanda

1 year ago
VPLS resiliency was heavily tested. Make sure you understand dual-homing concepts and various redundancy mechanisms used in VPLS deployments.
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Tu

1 year ago
Nokia VPLS certification achieved! Kudos to Pass4Success for the efficient study materials.
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Carmelina

1 year ago
Passed the exam thanks to thorough preparation with Pass4Success. Focus on VPLS QoS mechanisms - the exam had questions on how to implement and manage QoS in VPLS networks.
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Cheryll

1 year ago
Passed the Nokia Virtual Private LAN Services exam! The Pass4Success practice questions were invaluable. One challenging question asked about the scalability of VPLS in large networks. I wasn't sure how VPLS handles large-scale MAC address tables, but I passed anyway.
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Lazaro

1 year ago
VPLS multicast handling was a significant topic. Be ready to explain the differences between selective and inclusive multicast trees in VPLS environments.
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Jesus

1 year ago
Passed Nokia VPLS in record time! Pass4Success, you're the best for fast preparation.
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Deane

1 year ago
I passed the Nokia Virtual Private LAN Services exam, thanks to Pass4Success practice questions. There was a challenging question about the role of BGP in VPLS in [Module 2 ?]. I wasn't sure about the exact details, but I managed to pass.
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Tawanna

1 year ago
The exam tested knowledge on VPLS scalability solutions. Study up on H-VPLS and its benefits in large-scale deployments. Expect questions on spoke termination options.
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Yvonne

1 year ago
Just cleared the Nokia VPLS exam, thanks to Pass4Success! There was a tricky question on the exam about the role of the PE router in VPLS. I was a bit confused about how it handles MAC address learning and forwarding, but I still made it through.
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Curt

1 year ago
Thanks to Pass4Success, I felt well-prepared for the Nokia VPLS exam. Pay attention to VPLS pseudowire signaling - both BGP and LDP methods were covered in depth.
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Shelton

1 year ago
Nokia VPLS exam conquered! Pass4Success made it possible with their relevant questions.
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Maryann

1 year ago
I recently passed the Nokia Virtual Private LAN Services exam, and I have to say, the Pass4Success practice questions were a huge help. One question that stumped me was about the differences between VPLS and traditional LAN services. I wasn't entirely sure about the specific advantages of VPLS in a multi-tenant environment, but I managed to pass the exam regardless.
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Marci

1 year ago
VPLS service types were a key topic. Make sure you can distinguish between H-VPLS and VPLS, and understand their use cases. The exam had several questions on this.
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Whitley

1 year ago
Happy to announce that I passed the Nokia VPLS exam. The Pass4Success practice questions were spot on. One question that caught me off guard was about the differences in QoS implementation in [Module 6 ?]. I wasn't entirely confident about the answer, but I made it through.
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Sharika

1 year ago
The exam covered VPLS forwarding in detail. Be prepared for scenarios involving MAC learning and flooding. Understanding the differences between local and remote MAC learning is crucial.
upvoted 0 times
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Nickole

1 year ago
Aced my Nokia VPLS cert! Pass4Success materials were a lifesaver for quick prep.
upvoted 0 times
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Rolland

1 year ago
Just cleared the Nokia VPLS exam! The practice questions from Pass4Success were a lifesaver. There was a tricky question on the configuration of VPLS instances in [Module 3 ?]. I was a bit unsure about the exact command sequence, but I still passed.
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Man

1 year ago
Just passed the Nokia VPLS exam! Grateful for Pass4Success's relevant questions that helped me prepare quickly. Remember to study VPLS architecture thoroughly - expect questions on PE router roles and functions.
upvoted 0 times
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Krissy

2 years ago
I recently passed the Nokia Virtual Private LAN Services exam, and I must say, the Pass4Success practice questions were incredibly helpful. One question that stumped me was about the differences between Layer 2 and Layer 3 VPNs in [Module 1 ?]. I wasn't entirely sure about the specific use cases for each, but I managed to get through it.
upvoted 0 times
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Izetta

2 years ago
Just passed the Nokia VPLS exam! Thanks Pass4Success for the spot-on practice questions.
upvoted 0 times
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Kate

2 years ago
Passing the Nokia VPLS exam was a great achievement for me, and I owe it to Pass4Success practice questions. The advantages of VPLS and the use of active and standby pseudowires for redundancy were key topics in the exam. One question that I found challenging was related to configuring a VPLS service. Despite my initial uncertainty, I was able to answer it correctly and pass the exam.
upvoted 0 times
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Jose

2 years ago
My exam experience for the Nokia VPLS exam was successful, thanks to Pass4Success practice questions. The topics of hierarchical VPLS and configuring VPLS services were crucial for the exam. One question that stood out to me was about the tools required to maintain the VPLS FDB. I had a good understanding of the topic, which helped me answer the question accurately.
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Lai

2 years ago
Just passed the Nokia VPLS exam! A key topic was VPLS signaling protocols. Expect questions on LDP vs. BGP VPLS, their differences, and configuration. Focus on understanding the signaling process and when to use each protocol. Thanks to Pass4Success for the spot-on practice questions that helped me prepare quickly!
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Ronald

2 years ago
I passed the Nokia Virtual Private LAN Services exam with the help of Pass4Success practice questions. The exam covered topics like hierarchical VPLS and VPLS FDB. One question that I remember was about the benefits of using active and standby pseudowires for redundancy instead of STP. I wasn't completely sure of the answer, but I still managed to pass.
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Free Nokia 4A0-105 Exam Actual Questions

Note: Premium Questions for 4A0-105 were last updated On Mar. 08, 2026 (see below)

Question #1

Click on the exhibit below.

How many LSPs are required in total between Metro A and Metro B if 100 hierarchical VPLS services are deployed across the two metro networks?

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Correct Answer: D

Question #2

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

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Correct Answer: C

Question #3

In Rapid Spanning Tree Protocol, a Backup Port is on the same switch as a Designated Port?

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Correct Answer: A

Question #4

During the process of troubleshooting a VPLS problem the "oam mac-purge" command with "register" option was used to purge a MAC address from the FDB. Which of the following statements is true?

Reveal Solution Hide Solution
Correct Answer: B

Question #5

What is the name of the feature supported on the Alcatel-Lucent 7750 SR that prevents MAC explosion in large VPLS deployments?

Reveal Solution Hide Solution
Correct Answer: C

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