Exam Name: Alcatel-Lucent Multi Protocol Label Switching
Certification Provider: Alcatel-Lucent
Corresponding Certification: Alcatel-Lucent Certifications
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Updated: Sep 02, 2026
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Alcatel-Lucent 4A0-103 Exam Overview:
| Certification Vendor: | Alcatel-Lucent (Nokia) |
|---|---|
| Exam Name: | Alcatel-Lucent Multi Protocol Label Switching |
| Exam Number: | 4A0-103 |
| Available Languages: | English |
| Sample Questions: | DOWNLOAD DEMO |
Alcatel-Lucent 4A0-103 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| MPLS VPN Services | - Layer 2 VPN concepts - Layer 3 VPN (BGP/MPLS VPN) |
| MPLS Data Plane | - Label stacking and forwarding behavior - Penultimate Hop Popping (PHP) |
| MPLS Fundamentals | - MPLS architecture and label switching principles - Label distribution concepts |
| MPLS Control Plane | - RSVP-TE and traffic engineering concepts - LDP (Label Distribution Protocol) |
| Operations and Troubleshooting | - Common MPLS failure scenarios - MPLS network verification and monitoring |
Alcatel-Lucent 4A0-103 Exam Questions Answered
The 4A0-103 exam leads to the Alcatel-Lucent MPLS Certification certification from Alcatel-Lucent (Nokia). The exam validates the knowledge and skills expected of candidates preparing for Alcatel-Lucent Multi Protocol Label Switching.
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The current 4A0-103 outline is organized into 5 top-level domains. The first listed areas include:
- MPLS Data Plane
- MPLS Fundamentals
- MPLS VPN Services
Review the Exam Topics section above for the complete outline and any nested subtopics.
Alcatel-Lucent Multi Protocol Label Switching Sample Questions:
Question 1
If an Alcatel-Lucent 7750 SR is an iLER operating in pipe mode, which of the following regarding the TC field (EXP bits) is TRUE?
A. The TC field is set to a system generated random number.
B. The TC field is set based on the value of the DSCP field inside the customer packet.
C. The TC field is set to a specific value via explicit administrative configuration.
D. The TC field is set by the eLER.
Question 2
Click on the exhibit button below.
LSP "toR8-5" requests fast reroute protection on the primary loose path. What could be done to remove the Failure Code shown?
A. Fast reroute must first be enabled on the downstream routers.
B. CSPF must be enabled on all downstream loose hop routers.
C. Global revertive path optimization must be enabled so the path will be re-optimized around a failed node.
D. CSPF must be enabled at head-end on fast reroute protected loose path LSPs
Question 3
Which of the following commands is used to display the database containing the OSPF-TE LSAs?
A. show router ospf database
B. show router ospf te opaque
C. show router ospf opaque-database
D. show router ospf opaque-Isa
Question 4
Which of the following about T-LDP on the Alcatel-Lucent 7750 SR is FALSE?
A. T-LDP is used to signal service labels for Layer 2 services.
B. T-LDP is used in LDP over RSVP solution.
C. T-LDP is used to establish transport tunnels for Layer 2 services.
D. T-LDP is used to provide an end-to-end session between two PE routers.
Question 5
Click on the exhibit.
The partial command output from an Alcatel-Lucent 7750 SR is shown. Which of the following about this LSP path is TRUE?
A. R4 (10.10.10.4) has established a link protection tunnel.
B. R2 (10.10.10.2) has established a node protection tunnel.
C. R1 (10.10.10.1) has not established a node protection tunnel.
D. R6 (10.10.10.6) has established a link protection tunnel.
Solutions:
| Question 1 Answer: C | Question 2 Answer: D | Question 3 Answer: C | Question 4 Answer: C | Question 5 Answer: A |
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