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Nokia 4A0-108 Exam Questions

Exam Name: Nokia Multicast Protocols Exam
Exam Code: 4A0-108
Related Certification(s): Nokia Service Routing Architect Certification
Certification Provider: Nokia
Actual Exam Duration: 90 Minutes
Number of 4A0-108 practice questions in our database: 247 (updated: Sep. 22, 2026)
Expected 4A0-108 Exam Topics, as suggested by Nokia :
  • Topic 1: Describe how customer multicast group information can be distributed with MP-BGP/ Recognize the component protocols of a multicast enabled network
  • Topic 2: Configure a network of Nokia 7750 SRs to distribute customer multicast groups with MP-BGP/ Configure and verify the operation of IGMP and identify its parameters Operate and configure PIM Any source multicast (ASM) in the context of IPv6/ Understand the need for multicasting and the types of multicast applications
  • Topic 3: Configure and verify the correct operation of an NG MVPN with mLDP and RSVP-TE point to multipoint LSPs/ Provide a scalable, redundant rendezvous point solution
  • Topic 4: Describe how an NG MVPN can be created with a PIM-free core using MPLS LSPs/ Differentiate between shared- and source-based trees and their usage
  • Topic 5: Understand the role of the interior gateway protocol (IGP) in a multicast-enabled network/ Describe the purpose and operation of the I-PMSI and S-PMSI in Draft Rosen
  • Topic 6: Describe the enhancements to MP-BGP for auto discovery (AD) in an NG MVPN/ Differentiate between the methods of IP packet delivery and their characteristics
  • Topic 7: Describe the operation of RSVP-TE to signal point-tomultipoint LSPs/ Explain convergence in the multicast access and multicast core network
  • Topic 8: Describe the operation of mLDP to signal point-to-multipoint LSPs/ Understand the issues and solutions of multicasting on Layer 2 and Layer 3
  • Topic 9: Operate and configure PIM source-specific multicast (SSM) in the context of IPv6/ Describe the multicast routing policy and mCAC policy
  • Topic 10: Configure a network of Nokia 7750 SRs for an NG VPN with BGP AD/ Describe the operation of Internet Group Management
  • Topic 11: Describe the structure of IPv6 multicast address and identify its fields/ Operate and configure Multicast Listener Discovery Protocol (MLD)
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Kunal Shukla

8 days ago
I managed to pass the Nokia Multicast Protocols exam once I started timing my practice sets, since the wording can be dense and it is easy to get stuck on one question. Building a checklist for what to verify first in multicast troubleshooting kept me moving.
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David Bailey

13 days ago
Module 3 Multicast replication and scaling constraints show up as performance design questions that require you to justify group and receiver capacity. Understand hardware versus software replication limits, replication tree choices, and QoS impacts on replication so you can recommend scalable designs, which is what helped me succeed on the exam.
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Amanda Martinez

23 days ago
IPv6 multicast items tested MLD behavior and scope mapping, for example choosing the expected MLD report in mixed MLDv1/v2 environments or deriving solicited-node addresses. Be solid on MLD message types, IPv6 multicast scopes and address mapping rules, one classmate used targeted review and passed the exam.
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Jae Do

1 month ago
I passed 4A0-108 by tightening up my fundamentals on IGMP and PIM interactions, because the exam likes to test edge cases where host reports do not match the expected tree. Reviewing common failure modes and how to isolate them was the best use of my final week.
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Emma Edwards

1 month ago
Module 3 Reverse path forwarding checks cause many confusing drop scenarios and exam questions often present asymmetric routes and ask why multicast stops. Focus on RPF lookup logic, how unicast routing affects RPF, and common troubleshooting steps like validating RPF neighbors and route consistency, practicing these cases in the lab made the concepts click and I passed.
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Timothy Howard

2 months ago
Multicast over MPLS questions presented PE-to-PE forwarding scenarios asking which MDT or label stack will carry a customer's group traffic across the backbone. Understand P2MP versus MP2MP models, MDT selection and label operations in MVPN so you can reason through packet flow, I passed after building several MVPN topologies in the lab.
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Sarah Miller

2 months ago
I managed to pass the Nokia Multicast Protocols exam by spending most of my time on configuration and verification commands, since many questions hinge on what the outputs imply. Doing quick labs to reproduce joins and prunes helped me avoid overthinking.
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Donald White

3 months ago
Module 3 Rendezvous point selection and Anycast RP behavior appear as configuration and troubleshooting questions where you must determine which RP a source registers to and how failover behaves. Review BSR, static RP methods, and Anycast RP implications in lab tests, I managed to pass and used Pass4Success question sets to tighten my preparation quickly.
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Paul Morgan

3 months ago
Source specific multicast questions often required identifying the correct join sequence and recognizing when SSM should be used instead of ASM for security or scaling. Learn SSM join semantics, SSM address ranges and how RPF affects source-based trees, a colleague passed and found focused practice very helpful.
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Pablo Simon

3 months ago
I passed Nokia 4A0-108 after focusing on understanding PIM behavior instead of memorizing timers, and the scenario style questions felt much easier that way. The multicast RPF logic was the trickiest, so I practiced tracing the path on paper before answering.
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Thomas Jones

4 months ago
Module 3 PIM-SM join and prune mechanics are a frequent focus, with scenario questions asking you to predict multicast state after link failures or topology changes. Practice tracing join propagation, join timers, and interactions with unicast routing so you can follow state transitions, that hands-on practice helped me clear the exam.
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Gerald Young

4 months ago
PIM sparse mode and RP selection appeared as troubleshooting scenarios that asked why multicast traffic followed the wrong tree or why SPT switch wasn't happening. Focus on BSR versus static RP, Register processing and RPF rules, I passed after working through topology examples and timed labs.
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Gerald Morris

5 months ago
Module 3 IGMP version behavior can be tricky in mixed host environments. Exam items often present a topology and ask which receivers will get traffic when queries and reports are mismatched, so study IGMPv2 versus v3 reporting semantics and how to read packet captures. I passed the Nokia exam and Pass4Success provided a good collection of exam questions that let me prepare in a short time.
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Brian Perez

5 months ago
IGMP membership behavior came up as packet capture style questions where you must decide which hosts remain in a group after a sequence of reports and leaves. Study Querier election, report timers and differences between IGMPv2 and IGMPv3, and a peer passed the Nokia multicast exam and thanks Pass4Success for providing good collection of exam questions for preparation in short time.
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Eric Martinez

5 months ago
When I took the Nokia 4A0-108 exam the RP election and RPF behavior in PIM sparse mode caught me off guard. Drawing the multicast tree and tracing reverse path forwarding on paper helped me solve the scenario questions.
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Harold Perez

5 months ago
Honestly, reviewing how candidate RPs advertise priorities and how the bootstrap or auto-RP process interacts cleared up a lot of confusion for me.
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Harold Martinez

5 months ago
Also, make sure you know the differences between IGMP v2 and v3 and how snooping on switches changes the forwarding state.
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Daniel Lopez

5 months ago
Maybe focus on RPF tie-breakers and what happens with asymmetric routing because a few scenario questions hinge on those edge cases.
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Edward Cook

5 months ago
Interestingly, I mixed up SSM behavior with ASM in one practice test, and having a short checklist for source-specific mapping saved time during the Nokia exam.
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Rebecca Scott

5 months ago
Finally, spend time tracing packet flow in a few different topologies instead of memorizing commands so you can reason through unexpected scenarios.
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Vivienne

6 months ago
Just became Nokia Certified! Pass4Success materials were key to my quick preparation.
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Nickole

6 months ago
Nailed the Nokia exam today. Pass4Success, your questions were right on target!
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Leoma

6 months ago
Pass4Success practice tests prepared me perfectly for the Nokia Multicast Protocols exam. Identify your weak spots and work on them.
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Kenny

7 months ago
I passed the Nokia Multicast Protocols exam and it feels great. One question from Module 3 asked about the function of the RP mapping agent in multicast networks. I was a bit unsure, but the practice questions from Pass4Success were very helpful.
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Denise

7 months ago
Nokia Certified: Multicast Protocols done! Pass4Success, you're a lifesaver for last-minute prep.
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Viola

7 months ago
I doubted myself at the beginning, unsure I could master multicast intricacies. Pass4Success clarified core ideas and provided practical drills, which made the difference. Keep practicing and stay positive, you're closer than you think!
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Erasmo

7 months ago
Happy to announce that I passed the Nokia Multicast Protocols exam! A tricky question from Module 2 asked about the role of Designated Routers (DR) in PIM. I wasn't completely confident, but the practice questions from Pass4Success were a big help.
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Alyce

8 months ago
Nervousness hit me at the start with tricky protocol questions. pass4success gave me realistic scenarios and steady progress, boosting my confidence. Hang in there, future passers—believe in your preparation and push through!
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Julieta

8 months ago
I found the RPF check questions confusing; Pass4Success practice exams guided me through the logic and eliminated the guesswork.
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Brittni

8 months ago
Passed my Nokia exam with flying colors. Pass4Success questions were eerily similar to the real thing.
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Annice

8 months ago
My hands shook during the first mock, and the timing always felt off. Pass4Success bonded the concepts into a confident flow, and I walked out with a smile. Future test-takers, stay curious and persistent—your effort will pay off!
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Dorsey

9 months ago
The exam’s edge-case on TTL and hop-by-hop validation was brutal, but Pass4Success practice helped me spot the pitfalls and avoid traps.
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Leota

9 months ago
Nokia Multicast Protocols cert in the bag! Pass4Success made prep quick and efficient.
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Annalee

9 months ago
I was jittery before the Nokia Multicast Protocols exam, worries buzzing in my head. Pass4Success broke the anxiety with structured practice and clear explanations, and now I feel capable and ready. To anyone facing this test, trust the prep and keep pushing—you've got this!
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Aleta

9 months ago
I aced the Nokia Multicast Protocols exam thanks to Pass4Success. Revise thoroughly, but don't forget to take breaks too.
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Reena

10 months ago
Passing the Nokia Multicast Protocols exam was a breeze with pass4success. Focus on understanding the core concepts, not just memorizing.
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Elli

10 months ago
I passed the Nokia Multicast Protocols exam and it was quite a challenge. One question from Module 1 asked about the differences between shared trees and source trees in multicast routing. I had to think hard, but the practice questions from Pass4Success were very useful.
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Yolando

10 months ago
Aced the Nokia Certified exam today. Pass4Success materials were a huge time-saver!
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Nieves

10 months ago
Excited to share that I passed the Nokia Multicast Protocols exam! There was a tough question from Module 6 about the use of MSDP in inter-domain multicast routing. I wasn't entirely sure, but the practice questions from Pass4Success really helped.
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Norah

11 months ago
Just passed the Nokia Multicast Protocols exam! Thanks Pass4Success for the spot-on practice questions.
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Barrie

11 months ago
Success in the Nokia exam! Pass4Success, thank you for the excellent preparation.
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Erinn

11 months ago
The tricky question on Sparse vs Dense mode behavior stumped me until Pass4Success drills showed how to compare scenarios quickly.
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Jules

11 months ago
I successfully cleared the Nokia Multicast Protocols exam. One question from Module 5 that stumped me was about the differences in IGMP versions and their impact on multicast group membership. The practice questions from Pass4Success were instrumental in my preparation.
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Tarra

12 months ago
I struggled with the group membership report timing and edge cases in the exam style questions. pass4success practice questions framed them clearly, making the tricky timing issues manageable.
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Sarah

12 months ago
The hardest part was deciphering the multicast routing states in the Nokia protocol diagrams; pass4success practice exams helped me drill those state transitions until they clicked.
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Rozella

1 year ago
pass4success practice exams were a game-changer for me. Manage your time wisely - don't get bogged down in one area.
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Derrick

1 year ago
Just passed the Nokia Multicast Protocols exam! A challenging question from Module 4 asked about the role of IGMP queriers in a network. I had to think it through, but the practice questions from Pass4Success were a great resource.
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Elouise

1 year ago
Nokia certification achieved! Pass4Success's materials were worth every penny.
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Hyun

1 year ago
I passed the Nokia Multicast Protocols exam and it feels amazing. One question from Module 3 asked about the function of the Bootstrap Router (BSR) in PIM. I was a bit unsure, but the practice questions from Pass4Success were very helpful.
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Mila

1 year ago
Passed the tough Nokia exam! Pass4Success, you're a game-changer.
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Vallie

1 year ago
Just passed! The exam tested knowledge on multicast debugging commands. Be familiar with troubleshooting tools and their output.
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Terrilyn

1 year ago
Successfully completed the exam! Thanks to Pass4Success. Pay attention to multicast over MPLS topics, especially P2MP LSPs.
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Lonny

1 year ago
Proud Nokia certified pro now! Kudos to Pass4Success for the efficient prep.
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Rossana

1 year ago
Exam success! Pass4Success's questions matched the real thing perfectly.
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Son

2 years ago
The exam had several questions on multicast load balancing. Understand ECMP and how it applies to multicast traffic.
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Ardella

2 years ago
Passed the exam today! Be ready for questions on multicast VPN deployment models. Know the differences between Draft Rosen and Next-Gen MVPN.
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Joaquin

2 years ago
Certified in Nokia Multicast Protocols! Pass4Success made the difference.
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Erick

2 years ago
Pass4Success materials were spot on! The exam covered PIM-SSM in detail. Focus on its advantages and how it differs from PIM-SM.
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Santos

2 years ago
Just aced the exam! There were questions on multicast traffic engineering. Understand how to use MPLS TE with multicast.
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Ligia

2 years ago
Nailed the Nokia exam! Pass4Success's resources were a lifesaver.
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Janessa

2 years ago
The exam included scenarios on multicast security. Study multicast access control lists and how to secure multicast networks.
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Janella

2 years ago
Happy to report that I passed the Nokia Multicast Protocols exam! There was a tricky question from Module 2 about the differences between Any-Source Multicast (ASM) and Source-Specific Multicast (SSM). I wasn't completely sure, but the practice questions from Pass4Success guided me through.
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Mica

2 years ago
Passed with flying colors! Thanks, Pass4Success! Pay attention to IGMP and MLD versions and their features. The exam tests your knowledge on version differences.
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Anabel

2 years ago
Nokia cert in the bag! Pass4Success's prep was key to my quick success.
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Marica

2 years ago
The exam had a focus on multicast QoS. Make sure you understand how to implement and manage QoS for multicast traffic.
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Roy

2 years ago
Successfully cleared the exam! There were several questions on multicast routing protocols. Know the differences between PIM-SM, PIM-DM, and PIM-SSM.
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Percy

2 years ago
I passed the Nokia Multicast Protocols exam and it was quite the experience. One question from Module 1 asked about the multicast distribution trees and their types. I had to think hard, but the practice questions from Pass4Success were a great help.
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Kattie

2 years ago
Passed with flying colors! Pass4Success's exam questions were invaluable.
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Gary

2 years ago
Pass4Success really helped me prepare quickly. Watch out for questions on PIM-DM flood-and-prune behavior. Understanding the process is key.
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Fletcher

2 years ago
Thrilled to announce that I passed the Nokia Multicast Protocols exam! A tough question from Module 6 asked about the benefits of using MSDP in multicast networks. I wasn't entirely sure of the answer, but the practice questions from Pass4Success made a big difference.
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Lucina

2 years ago
The exam covered a lot on MVPN configuration. Be prepared to troubleshoot common MVPN issues and understand the different MVPN types.
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Mira

2 years ago
I successfully passed the Nokia Multicast Protocols exam. One question from Module 5 that puzzled me was about the differences between IGMPv2 and IGMPv3. I had to recall the specifics, but the practice questions from Pass4Success were incredibly helpful.
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Raina

2 years ago
Nokia Multicast Protocols certification achieved! Pass4Success made it possible in record time.
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Brynn

2 years ago
Passed the exam yesterday! There were quite a few questions on multicast address ranges. Know your IPv4 and IPv6 multicast address allocations inside out.
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Katheryn

2 years ago
Excited to share that I passed the Nokia Multicast Protocols exam! There was a challenging question from Module 4 regarding the configuration of IGMP snooping. I wasn't completely confident, but the Pass4Success practice questions definitely helped me get through it.
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Thaddeus

2 years ago
Thanks to Pass4Success for the great prep materials! The exam had several questions on IGMP snooping. Focus on its operation in Layer 2 switches and how it optimizes multicast traffic.
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Paola

2 years ago
I passed the Nokia Multicast Protocols exam and it feels great! One question that caught me off guard was from Module 3, asking about the role of Rendezvous Points in multicast networks. I was a bit unsure, but the practice questions from Pass4Success were a lifesaver.
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Maurine

2 years ago
Aced the Nokia cert exam! Pass4Success questions were spot-on. Saved me so much time.
upvoted 0 times
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Willis

2 years ago
Just cleared the Nokia Multicast Protocols exam! There was a tricky question from Module 2 about the differences between PIM-SM and PIM-DM. I had to think hard about the sparse and dense modes, but the practice questions from Pass4Success really helped me prepare.
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Odette

2 years ago
Just passed the Nokia Certified: Nokia Multicast Protocols exam! The questions on PIM-SM were tricky, especially regarding SPT switchover. Make sure you understand the process thoroughly.
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Ashanti

2 years ago
I recently passed the Nokia Multicast Protocols exam and it was quite a journey. One of the questions that stumped me was about the intricacies of Module 1. It asked about the specific mechanisms used in multicast routing protocols. I wasn't entirely sure of the answer, but thanks to the practice questions from Pass4Success, I managed to get through.
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Delisa

2 years ago
Just passed the Nokia Multicast Protocols exam! Thanks Pass4Success for the great prep materials.
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Hollis

2 years ago
With the help of Pass4Success practice questions, I passed the Nokia Multicast Protocols exam. The exam tested my knowledge on configuring and verifying the operation of IGMP, understanding the need for multicasting, and identifying types of multicast applications. One question that I remember was about configuring and verifying the operation of IGMP, which I found tricky, but I still passed the exam.
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Annett

2 years ago
My exam experience for the Nokia Multicast Protocols exam was successful, thanks to Pass4Success practice questions. I had to configure a network of Nokia 7750 SRs to distribute customer multicast groups with MP-BGP and operate PIM Any source multicast in the context of IPv6. There was a question on recognizing the component protocols of a multicast enabled network that I found challenging, but I was able to pass the exam.
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Bronwyn

2 years ago
Just passed the Nokia Certified: Nokia Multicast Protocols exam! A key focus was on PIM-SM protocol operations. Expect questions on designated router election and rendezvous point functions. Make sure to understand the process of building shared trees and switching to source-specific trees. Thanks to Pass4Success for the spot-on practice questions that helped me prepare quickly!
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Pura

2 years ago
I passed the Nokia Multicast Protocols exam with the help of Pass4Success practice questions. The exam covered topics like distributing customer multicast group information with MP-BGP and configuring PIM Any source multicast. One question that I was unsure of was related to the parameters of IGMP, but I still managed to pass.
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Free Nokia 4A0-108 Exam Actual Questions

Note: Premium Questions for 4A0-108 were last updated On Sep. 22, 2026 (see below)

Question #1

How does the RP get the first multicast data packet from source?

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Correct Answer: B

Question #2

An Alcatel-Lucent 7750 SR is unable to locate a multicast source address in the multicast routing table. However, the source address is available in the unicast routing table. Which statement best describes the default RPF check behavior of the Alcatel-Lucent 7750 SR?

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Correct Answer: C

Question #3

Is the RP mandatory in an ASM network?

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Correct Answer: A

Question #4

Which of the following statements about MLD protocol is true?

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Correct Answer: C

Question #5

The Draft-Rosen S-PMSI address range is configured for 32 group addresses. What happens if there are more than 32 customer multicast flows that exceed the threshold configured for the MVPN?

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Correct Answer: D

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