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Nokia 4A0-107 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Policy Implementation and Troubleshooting | - QoS policy application and priority handling - Troubleshooting QoS policies |
| Topic 2: Traffic Classification and Marking | - Traffic classification criteria - Marking (DSCP, MPLS EXP, dot1p) |
| Topic 3: Queuing, Scheduling and Congestion Management | - Queue disciplines and buffer management - Scheduler configuration and hierarchical QoS |
| Topic 4: QoS Fundamentals | - Introduction to QoS concepts - Traffic behavior models (IntServ, DiffServ) |
4A0-107 Exam Facts and Buying Questions
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The 4A0-107 exam is the official assessment for the Nokia Quality of Service certification from Nokia. Across the wide landscape of IT certifications, this credential verifies that you can apply its published objectives in realistic scenarios — and since most candidates aim to succeed in one focused attempt, the quality of your practice material is the variable that matters most.
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The official outline organizes the 4A0-107 exam into weighted domains, including:
- Queuing, Scheduling and Congestion Management ()
- Traffic Classification and Marking ()
- QoS Fundamentals ()
The Nokia Quality of Service practice questions at Prep4SureReview are built around these same objectives — request the free demo by email to see how the content maps onto them.
The 4A0-107 exam contains 40 questions with 90 minutes minutes to complete them. Timed practice under the same limits is the reliable way to make that constraint feel routine.
Nokia Quality of Service Sample Questions:
Click the exhibit button below. Given the slope-policy (below), which of the following statements are TRUE?
(Choose two)
- A. The maximum probability with which an out-of-profile packet can be dropped is higher than that of an in-profile packet.
- B. When the shared buffer utilization reaches 55%, both in-profile and out-of-profile packets may be dropped.
- C. When the shared buffer utilization is at 61%, only in-profile packets are currently in the shared buffer pool.
- D. The discard probability slope of an in-profile traffic is steeper than that of an out-of-profile traffic.
- E. All out-of-profile traffic will be dropped before that of any in-profile traffic.
Correct Answer: A,B 🗳️
Click the exhibit button below. Given the SAP-ingress policy, which of the following statements are TRUE?
(Choose three)
- A. UDP traffic is placed in queue 3 while ICMP traffic is placed in queue 5.
- B. EF traffic will receive higher scheduling priority than H2 traffic.
- C. Traffic that does not match any of the IP criteria will be placed in queue 3.
- D. All AF traffic will be marked "in-profile" at the SAP-ingress.
- E. All TCP traffic will be mapped to forwarding class EF.
Correct Answer: B,C,D 🗳️
Which of the following statements describe the operation of WRED on the Nokia 7750 SR? (Choose three)
- A. WRED uses two configurable slopes for each buffer pool: a high slope and a low slope.
- B. WRED disables the TCP slow-start congestion control mechanism.
- C. WRED monitors the shared buffer space utilization over a period of time.
- D. WRED polices the shared buffer pool and marks all packets above a certain rate as "discard eligible."
- E. WRED uses the shared buffer utilization, instead of the individual queue depth, to get a better picture of the average resource utilization of the shared buffer space.
Correct Answer: E 🗳️
Packets arrive at the VPRN SAP on PE1 with DSCP marking of af11 and Dot1p of 2. According to the QoS policies applied at routers PE1, P, and PE2, what is the dot1p value of packets egressing routerPE2? (All the SDPs are MPLS-encapsulated, and all interfaces are using their default trust states).
- A. 6
- B. 2
- C. 5
- D. 3
Correct Answer: D 🗳️
Which of the following statements is considered best practice when changing a network policy that has been associated with an interface?
- A. A new network policy should be created and applied to the interface, overwriting the previous policy.
- B. The policy must first be removed from the interface, then modified and re-applied to the interface.
- C. The policy should be placed in a "shutdown" state before changes are made.
- D. Before the policy can be changed, it must be deleted with the no network qos <policy-id> command.
- E. Before any changes are made to the policy, all network interfaces where the policy is applied have to be shut down.
Correct Answer: A 🗳️
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