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4A0-105 Exam Questions & Answers

Nokia Virtual Private LAN Services  •  Nokia

156 Questions 90 min Updated Sep 2026 99% Pass Rate
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Sample 4A0-105 Questions

Practice with real exam-style questions, each with the verified correct answer and explanation.

Q1 MultipleChoice

An l-VPLS is configured with a service id of 511. What will the value of the l-SID be assuming a default configuration?

Correct Answer: C
Q2 MultipleChoice

Click on the exhibit below.

Which ports will become root ports? (Choose 3)

Correct Answer: B, D, F
Q3 MultipleChoice

What are the limitations of a traditional layer 2 switch? (Choose 3}

Correct Answer: B, C, D
Q4 MultipleChoice

Click on the exhibit below.

Assume there are two VPLS services configured on the MDU. How could load-balancing be achieved when using Active/Standby pseudowires?

Correct Answer: C
Q5 MultipleChoice

H-VPLS solves the data-plane and control-plane problems with the exception of one issue. What is the concern that H-VPLS does not solve?

Correct Answer: D
Explanation:

Topic 3, Volume C

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Frequently Asked Questions

The 4A0-105 exam is focused on Nokia Virtual Private LAN Services (VPLS), which is a layer 2 VPN technology that emulates LAN services over IP/MPLS networks. It tests candidates' knowledge of VPLS concepts, configuration, troubleshooting, and deployment on Nokia Service Router platforms.

While Nokia doesn't mandate strict prerequisites, candidates should have foundational knowledge of networking concepts, MPLS, and layer 2/3 technologies. It is recommended to have hands-on experience with Nokia SR OS or completion of related Nokia training courses before attempting this exam.

The 4A0-105 exam typically consists of 60 multiple-choice questions that must be completed within 90 minutes. The passing score is generally around 65-70%, though candidates should verify the exact requirements with Nokia's official certification portal.

Key topics include VPLS fundamentals and architecture, spoke and mesh configurations, MAC address learning and forwarding, split horizon rules, service management, and troubleshooting techniques. The exam also covers integration with other technologies like BGP and OSPF in VPLS deployments.

Nokia offers official training courses, study guides, and documentation specifically designed for this certification. Additionally, candidates benefit from hands-on lab experience with Nokia SR OS equipment or simulators, practice exams, and community resources to reinforce understanding of VPLS concepts.
Exam Details
  • Exam Code4A0-105
  • VendorNokia
  • Total Questions156
  • Duration90 min
  • LanguageEnglish
  • Last UpdatedSep 4, 2026
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