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| Certification Vendor: | Alcatel-Lucent (now Nokia) |
|---|---|
| Exam Name: | Multi Protocol Label Switching |
| Exam Number: | 4A0-103 |
| Exam Price: | $125 USD |
| Related Certifications: | Nokia Network Routing Specialist II Nokia Service Routing Professional Nokia Service Routing Architect |
| Exam Format: | Drag and Drop, Simulation, Multiple Choice |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Passing Score: | 70% |
| Real Exam Qty: | 40-60 |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Nokia Service Routing Certification Resources Nokia Official MPLS Training |
| Exam Registration: | Pearson VUE Registration Nokia Learning Services |
| Sample Questions: | ![]() |
| Exam Way: | Computer-based, proctored (onsite at test center or online remote) |
| Pre Condition: | No mandatory prerequisites; recommended knowledge of IP routing, OSPF/IS-IS, and Nokia SROS |
| Official Syllabus URL: | https://learning.nokia.com/certification/exams/4A0-103 |
| Section | Weight | Objectives |
|---|---|---|
| RSVP and Traffic Engineering | 25% | - RSVP protocol overview and signaling - MPLS Traffic Engineering in single and multiple IGP areas - RSVP-TE for LSP creation and maintenance - Shared Risk Link Groups and constraint-based routing |
| MPLS Resiliency and Protection | 12% | - Fast Reroute (FRR) mechanisms - Standby and non-standby secondary paths - MPLS convergence and failure detection - LSP re-optimization and restoration |
| MPLS Fundamentals | 30% | - Label stack, TTL propagation, and forwarding - MPLS architecture and terminology - Control plane and management plane functions - Data plane and label switching operations |
| Label Distribution Protocol (LDP) | 25% | - LDP configuration and implementation on Nokia SROS - LDP session establishment and label exchange - LDP features and optimization - LDP operation and protocol messages |
| MPLS Applications and Troubleshooting | 8% | - MPLS shortcuts and IPv6 tunneling - Monitoring and troubleshooting MPLS networks - MPLS VPN basics |
Alcatel-Lucent Multi Protocol Label Switching is an official Alcatel-Lucent (now Nokia) exam, catalogued under the code 4A0-103. A pass awards you the Nokia Network Routing Specialist II (NRS II), Nokia Service Routing Architect (SRA) certification at the Professional level. It also supports progress toward Nokia Network Routing Specialist II, Nokia Service Routing Architect, Nokia Service Routing Professional. Demand for this credential has stayed strong because it validates skills employers can use from day one.
The Alcatel-Lucent Multi Protocol Label Switching exam packs 40-60 questions into 90 minutes. Candidates rarely fail because of one impossible topic; they fail because ten minutes vanished on three stubborn questions. Build a triage habit now: answer, flag, move on, return later. Timed full-length sessions in the ValidDumps test engine are the most honest way to practice that discipline before it counts.
You pass Alcatel-Lucent Multi Protocol Label Switching at 70%, and the official registration fee stands at $125 USD. One detail worth internalizing: there is no retake discount, so a second sitting costs another full $125 USD. Use the ValidDumps practice tests as your gauge and book only when your results clear the requirement with a repeatable margin, not a one-off peak.
No mandatory prerequisites; recommended knowledge of IP routing, OSPF/IS-IS, and Nokia SROS
Vendor policies shift over time, so confirm the current entry conditions before paying any registration fee; the official exam page is the authoritative source.
You can sign up for Alcatel-Lucent Multi Protocol Label Switching through the official registration points listed here.
Regarding format, the exam is delivered Computer-based, proctored (onsite at test center or online remote).
Alcatel-Lucent (now Nokia) recommends the following training for Alcatel-Lucent Multi Protocol Label Switching candidates.
Course content builds understanding, but the exam grades answers. Bridge the two with the 249 practice questions in the ValidDumps 4A0-103 package, and the theory starts converting into points.
Yes. A free demo of the Alcatel-Lucent Multi Protocol Label Switching material is available on this page, so you can verify the quality of the questions and the expert-edited answers yourself. Once you purchase, updates are free for 365 days and the newest version is emailed to you automatically as it releases; after expiry, extending the update service costs 50% of the regular price.
A 100% money-back guarantee covers your purchase under defined conditions. If you take the Alcatel-Lucent Multi Protocol Label Switching exam within 60 days of buying and fail, you can claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders, and the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, you may exchange rather than refund: two other exam products of equal value, free, with the update service on your original purchase kept intact.
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Alcatel-Lucent Multi Protocol Label Switching spans 5 official domains. The most heavily weighted include RSVP and Traffic Engineering (25%), MPLS Resiliency and Protection (12%), and MPLS Applications and Troubleshooting (8%). The full topic list is published above on this page; let the weightings decide where your next study hour goes.
Question 1
Which of the following statements best defines an LSP?
A. An LSP is a bidirectional path across the MPLS domain.
B. An LSP is a bidirectional path for a particular FEC across the MPLS domain.
C. An LSP is a unidirectional path between adjacent LSRs.
D. An LSP is a bidirectional path between adjacent LSRs.
E. An LSP is a unidirectional path across the MPLS domain.
Question 2
Initially, all ports on an Alcatel-Lucent 7750 SR have 10Gbps bandwidth. RSVP configuration limits reservable bandwidth to 30 percent on all interfaces. An LSP is signaled reserving 1 Gbps bandwidth. How much unreserved bandwidth is left on the interface?
A. 7 Gbps
B. 3 Gbps
C. 2 Gbps
D. 10 Gbps
Question 3
Which of the following regarding per-platform label space is TRUE?
A. A separate label is used for each interface on which the FEC is advertised.
B. It uses more label resources than a per-interface label space.
C. A single label is assigned to a FEC for all interfaces on the same router,
D. It is typically used when the device has ATM or Frame Relay interfaces.
Question 4
Which one of the following statements regarding RSVP LSP configuration is true?
A. MPLS and RSVP must be enabled on all routers.
B. Path definitions must include at least one hop entry.
C. LSPs must always terminate on a system ID.
D. Interfaces must be individually created in RSVP.
Question 5
Click on the exhibit.
Initially, all links have 800Mbps of unreserved bandwidth. All links are of equal costs. Shared explicit reservation style is used. LSP 1 is signaled first with a setup and hold priority of 2. Then, LSP 2 is signaled with setup and hold priority of 5. Both LSPs go from R1 to R5. Which of the following is TRUE?
A. Both LSP 1 and LSP 2 will follow R1-R3-R4-R5.
B. LSP1 will follow R1-R2-R5. LSP 2 will follow R1-R3-R4-R5.
C. LSP 1 will follow R1-R3-R4-R5. LSP 2 will follow R1-R2-R5.
D. Both LSP 1 and LSP 2 will follow R1-R2-R5.
Solutions:
| Question 1 Answer: E | Question 2 Answer: C | Question 3 Answer: C | Question 4 Answer: A | Question 5 Answer: D |
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