Exam Name: Nokia Quality of Service
Certification Provider: Nokia
Corresponding Certification: Nokia SRC Certification
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Instant Download Nokia : 4A0-107 Questions & Answers as PDF & Test Engine
Updated: Oct 23, 2026
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Nokia 4A0-107 Exam Overview:
| Certification Vendor: | Nokia |
|---|---|
| Exam Name: | Nokia Quality of Service (QoS) 4A0-107 |
| Exam Number: | 4A0-107 |
| Related Certifications: | Nokia Service Routing Certification (SRC) Nokia Service Routing and Switching |
| Available Languages: | English |
| Exam Format: | Multiple choice |
| Recommended Training: | Nokia Learning Services - QoS Training |
| Exam Registration: | Nokia Training and Certification Portal |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-based exam (online or authorized test center depending on region) |
| Pre Condition: | Basic networking knowledge recommended (IP networking, routing fundamentals) |
| Official Syllabus URL: | https://www.nokia.com/networks/services/training-and-certification/ |
Nokia 4A0-107 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Traffic Classification and Marking | - DiffServ and DSCP marking - Packet classification methods |
| QoS Implementation in IP Networks | - Service class design and mapping - End-to-end QoS architecture |
| Quality of Service (QoS) Fundamentals | - Performance metrics (latency, jitter, loss) - QoS concepts and objectives - Traffic types and service requirements |
| Congestion Management | - Buffer management strategies - Queuing mechanisms (FIFO, priority queuing, WFQ) |
| Congestion Avoidance | - RED/WRED mechanisms |
| Traffic Policing and Shaping | - Rate limiting and traffic conditioning - Token bucket and leaky bucket mechanisms |
Nokia Quality of Service Essentials: What Candidates Ask
- Congestion Avoidance ()
- Traffic Classification and Marking ()
- Congestion Management ()
Nokia Quality of Service Sample Questions:
When using an egress port scheduler, on which scheduling loop are orphaned queues serviced?
- A. Level 8 within CIR.
- B. Level 1 within CIR.
- C. Level 8, once all PIR is serviced.
- D. Level 1, once all PIR is serviced.
- E. Level 1 between CIR and PIR.
- F. Level 8 between CIR and PIR.
Correct Answer: C 🗳️
Which of the following statements regarding buffer pool allocation are FALSE? (Choose two)
- A. All the network ingress ports on the same MDA share a buffer pool.
- B. Each SAP-egress port receives its own buffer pool.
- C. All SAP-ingress ports on the same MDA share a buffer pool.
- D. Each network egress port receives its own buffer pool.
- E. Each network ingress port on the same MDA receives its own buffer pool.
Correct Answer: C,E 🗳️
At which point are internal QoS markings added to the packets?
- A. SAP-ingress
- B. SAP-egress
- C. network-egress
- D. FFPC
Correct Answer: D 🗳️
Which of the following are possible criteria for classifying packets at the SAP-ingress? (Choose three)
- A. The dot1p bits in the frame header.
- B. The packet's Ethertype.
- C. The EXP bits in the MPLS header.
- D. The service ID of the service to which the SAP belongs.
- E. The packet's source and destination IP addresses.
Correct Answer: A,B,E 🗳️
Which of the following are categories of forwarding classes on the Nokia 7750 SR? (Choose two)
- A. Real-time
- B. Assured
- C. Non-conforming
- D. High priority
- E. In-profile
Correct Answer: A,D 🗳️
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