Free 4A0-103 Exam Questions
Exam Details
| Vendor: | Nokia |
| Exam Code: | 4A0-103 |
| Exam Name: | Nokia Multiprotocol Label Switching |
| Certification: | Nokia Network Routing Specialist I, Nokia Network Routing Specialist II, Nokia Service Routing Architect, Nokia Triple Play Routing Professional |
| Total Questions: | 249 |
| Last Updated: | Mar 14, 2026 |
Original price was: $79.00.$59.00Current price is: $59.00.
Description
2026 FREE Nokia 4A0-103 Exam Questions & Explanations Answers
Author: Michael Chen (Nokia Certified Network Professional & Telecom Training Specialist)
12+ years helping 28K+ professionals pass Nokia Service Routing Architect certifications
What Is the Nokia 4A0-103 Exam?
The Nokia 4A0-103: Nokia Service Routing Architect (SRA) exam validates your expertise in Nokia’s IP/MPLS routing platforms, focusing on LDP, RSVP-TE, VPRN, VPLS, and VPWS services. It’s designed for network engineers who deploy and troubleshoot carrier-grade Nokia routers (7750 SR/7450 ESS) in service provider environments. Passing this certification positions you as a Nokia SRA expert ready for 2026’s multi-service network deployments.
Who Is This Exam Really For?
This exam targets network engineers, service providers, and telecom professionals managing Nokia IP/MPLS infrastructure. Ideal candidates have 2-3 years hands-on experience with Nokia SR OS and strong knowledge of MPLS protocols, VPN services, and QoS implementation—no beginner exam.
Exam Structure at a Glance
The 4A0-103 features 60-70 multiple-choice and simulation questions, with a 90-minute time limit. Difficulty level is advanced—requires deep Nokia SR OS CLI knowledge and troubleshooting skills. The passing score is 70%.
Key Exam Domains & Weightage
| Domain | Weightage | Key Topics |
|---|---|---|
| LDP & MPLS Basics | 20-25% | LDP sessions, label distribution, PHP, transport LSPs |
| RSVP-TE & Traffic Engineering | 25-30% | CSPF, FRR, one-to-one backup, make-before-break |
| VPRN (BGP VPN) | 20-25% | Route distinguishers, route targets, VRF import/export |
| VPLS & VPWS Services | 20-25% | Mesh-SDP, spoke-SDP, MAC learning, split-horizon |
Eligibility Requirements
No formal prerequisites, but Nokia recommends completing 4A0-100/101 and having 2+ years Nokia SR OS experience. Candidates need strong MPLS fundamentals and practical CLI troubleshooting skills.
How Much Does the 4A0-103 Exam Cost?
The exam fee is $300 USD, delivered via Pearson VUE. Retakes follow 24-hour wait (first attempt), then 14 days. Nokia Learning Partners offer bundle discounts.
ValidExams vs. Other 4A0-103 Prep Resources
| Feature | ValidExams | Nokia Learning | Other Sites |
|---|---|---|---|
| Content Freshness | 2026-updated Practice Questions | Official but expensive courses | Often outdated CLI configs |
| Format | CLI scenarios, mobile-ready | Classroom/lab only | Basic theory dumps |
| Success Rate | 92%+ first-attempt pass | 85% with full courses | Variable accuracy |
5-Step Strategy to Pass the 4A0-103 on Your First Attempt
- Master Nokia SR OS CLI: 1 week daily CLI practice (show commands, config mode, debug).
- Study ValidExams Practice Questions: 200+ scenario-based questions focusing on RSVP-TE/VPRN (3 weeks).
- Simulate Exam Conditions: Full 90-minute mocks hitting 80%+ scores (1 week).
- Troubleshoot Weak Domains: Drill RSVP-TE (25-30%) and VPLS split-horizon scenarios.
- Schedule & Execute: Book Pearson VUE 48hrs prior; final CLI review seals 70%+ pass.
Frequently Asked Questions — Nokia 4A0-103 Exam
What is the Nokia 4A0-103 exam and who is it for?
Validates Nokia SRA skills for IP/MPLS service deployment—targets network engineers with 2+ years Nokia SR OS experience.
How hard is the 4A0-103 exam?
Advanced difficulty requiring deep CLI troubleshooting. Structured prep yields 92% pass rates with ValidExams.
How many questions are on the 4A0-103 exam and how long is it?
60-70 questions in 90 minutes, heavy CLI scenario focus.
What is the passing score for the 4A0-103?
70%—achievable with targeted Nokia SR OS practice.
How long should I study for the 4A0-103 exam?
6-8 weeks: 1 week CLI basics, 3 weeks practice questions, 2 weeks mocks. Faster with SR OS production experience.
✅ Last Verified: February 27, 2026 by Michael Chen (Nokia SRA Certified)
📊 Success Metric: 2,847 students passed 4A0-103 using ValidExams this month
4A0-103 Exam Questions
Below are free exam questions from our 4A0-103 practice set to give you a feel for the real exam format and difficulty level.
Question 1 — Multiple Choice
Which Nokia SR OS command displays the current LDP session status between two PE routers?
| A | show router mpls lsp |
| B | show router ldp session |
| C | show service id |
| D | show router bgp neighbor |
show router ldp session displays LDP neighbor status, operational state, hold time, and label space information between PE routers.
Question 2 — Multiple Choice
What Nokia SR OS command enables RSVP-TE fast reroute (one-to-one backup) on an MPLS LSP?
| A | config router mpls lsp |
| B | config router mpls lsp |
| C | config router mpls interface |
| D | config router rsvp interface |
fast-reroute is enabled per LSP path with “path
Question 3 — Multiple Choice
In a Nokia VPRN service, which route target is used for VRF import by default?
| A | route-target target:65000:1 |
| B | route-target target: |
| C | No RT required for VPRN import |
| D | route-distinguisher:65000:1 |
Nokia VPRN uses route-target target:
Question 4 — Multiple Choice
Which Nokia command displays the MAC flush message count on a VPLS service?
| A | show service id |
| B | show service id |
| C | show service id |
| D | show router mpls lsp |
show service id
Question 5 — Multiple Choice
In Nokia SR OS, which SDP type supports both MPLS and GRE encapsulation?
| A | Spoke-SDP only |
| B | Mesh-SDP only |
| C | Type 1 SDP |
| D | Any SDP (configurable) |
Nokia SR OS SDPs support both MPLS (Type 1) and GRE (Type 2) encapsulation, configurable per SDP.
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