If your schedule is already packed, preparing for the 4A0-107 exam can feel like one commitment too many. GuideTorrent keeps things manageable with 215 focused practice questions for Nokia Quality of Service, so every study session in 2026 actually counts.
Nokia 4A0-107 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Applied QoS and Troubleshooting | 10% | - Troubleshooting common QoS issues - Monitoring and verifying QoS policies - QoS for VPRN, VPLS and IES services |
| Topic 2: Hierarchical QoS (HQoS) | 20% | - Hierarchical scheduling architecture - Class Fair Hierarchical Policing (CFHP) - HQoS implementation on SAP and network interfaces |
| Topic 3: Traffic Classification and Marking | 25% | - Classification at SAP-ingress and network-ingress - Marking and remarking policies - Layer 2 CoS, Layer 3 DSCP, and Layer 4 parameters |
| Topic 4: Queuing, Policing and Shaping | 30% | - Traffic shaping and Fair Information Rate (FIR) - Token bucket metering and policing - Queue types, scheduling and congestion management |
| Topic 5: Introduction to QoS | 15% | - Traffic characteristics and requirements - IntServ and DiffServ models - QoS framework on Nokia 7750 SR |
4A0-107 Exam FAQ: What to Know Before You Book
The 4A0-107 exam, officially titled Nokia Quality of Service, is the qualifying exam for the Nokia Service Routing Architect (SRA) / Nokia Network Routing Specialist II (NRS II) certification, which sits at the Specialist / Professional level. Earning it shows employers that you have the skills the credential stands for, and it is a solid step forward on a Nokia career path. It also connects to Nokia Service Routing Architect (SRA), Nokia Network Routing Specialist II (NRS II), so the effort you put in now keeps paying off as you advance.
The 4A0-107 exam gives you 40 questions to complete within 90 minutes. Do the math before exam day: divide the total time by the question count to set a steady per-question pace, and flag any item that stalls you so you can return to it after securing the easier points. The most reliable way to build that rhythm is a full timed practice test under the same limit, which is exactly what GuideTorrent's test engines are designed for.
The passing score for Nokia Quality of Service is 57% (approx. 23/40), and the official registration fee is $125 USD. Keep in mind that a retake means paying that fee again in full, which makes an honest self-check worthwhile: before you book, sit a timed practice test and make sure you are consistently scoring above the passing line with some margin to spare.
According to the official requirements: No mandatory prerequisites; recommended: NRS I certification or equivalent IP/MPLS networking knowledge. Eligibility rules do change from time to time, so confirm the current details on the official exam page before you register.
Registration for the 4A0-107 exam is handled through the official channels below:
The exam is delivered in the following format: Online proctored or onsite at Pearson VUE test centers. Pick a date that leaves room for at least one full timed practice test beforehand.
Nokia recommends the following official training options for candidates preparing for Nokia Quality of Service:
Courses build the foundation, but they work best alongside question practice. That is where GuideTorrent comes in: the 215 practice questions in our 4A0-107 package let you rehearse the exam format at your own pace and see exactly where you stand.
Yes — GuideTorrent offers a free PDF demo of the Nokia Quality of Service material, so you can review the question style and answer quality before you spend anything. After purchase, you also receive 365 days of free updates, and if your product expires you can extend the update service at a 50% discount from your member zone.
If you take the corresponding exam within 60 days of your purchase and do not pass, you are covered by the 100% Money Back Guarantee under clear conditions. To claim a full refund, submit a scan of your exam enrollment slip and your official Score Report PDF within two days of the exam; requests are processed within seven days. Note that sitting the exam within three days of purchase is not eligible, purchases that were never followed by an exam sitting do not qualify, free materials and expired orders are excluded, and the candidate name must match the payer name. Prefer an exchange instead? You can swap your product for two free exam packages of equal value and keep your update service. Delivery is immediate: your 4A0-107 material is ready for instant download and is also emailed to you within one minute of payment — contact customer service if nothing arrives within two hours. There is no limit on the number of computers you can install it on.
The current Nokia Quality of Service syllabus is organized into 5 exam domains. The first three are:
- Queuing, Policing and Shaping (30%)
- Introduction to QoS (15%)
- Hierarchical QoS (HQoS) (20%)
For the full domain and subtopic breakdown, see the Exam Topics section above — that is the outline your GuideTorrent practice questions are mapped to.
Nokia Quality of Service Sample Questions:
In which policies, on the Nokia 7750 SR. is classification performed? (Choose three)
- A. Network-queue policy
- B. Network policy
- C. SAP-ingress policy
- D. SAP-egress policy
- E. Slope policy
- F. IP-criteria policy
Correct Answer: C 🗳️
A profile-mode queue is configured with the following attributes: MBS = 10 KB, CBS = 5 KB and High-Priority- Only = 30%. Assume there is no CBS overbooking, and the slope-policy is disabled. If the current queue depth is 8 KB, what will happen to an in-profile packet?
- A. It will be discarded because the high-priority-only threshold is exceeded.
- B. It will be stored in the queue's reserved buffer space and become out-of-profile.
- C. It will be stored in the queue's reserved buffer space and remain in-profile.
- D. It will contend for shared buffer space with packets from other queues.
Correct Answer: D 🗳️
A default network policy is applied to all router interfaces associated with network ports.
- A. TRUE
- B. FALSE
Correct Answer: A 🗳️
Which of the following statements about the bandwidth allocation criteria used by an egress port scheduler is TRUE?
- A. The available bandwidth of the port is divided in a strict priority over its children.
- B. Orphaned queues are serviced on the 8th scheduling priority.
- C. The configured CIR dictates the maximum port bandwidth that can be allocated during the within-CIR pass for that level.
- D. Expedited queues must be serviced before best-effort queues.
Correct Answer: D 🗳️
Which of the following statements is a characteristic of a CFHP arbiter?
- A. An arbiter rate-limits the collective output of several policers towards each egress FFPC.
- B. An arbiter does not need to honor the configurations of its child policers.
- C. An arbiter can adjust the bandwidth assigned to its child arbiters and child policers.
- D. An arbiter can adjust the CIR of its child policers.
Correct Answer: C 🗳️
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