Free 4A0-107 Exam Braindumps
Nokia Quality of Service Questions 116–120 (page: 25)

Updated On: 9-Feb-2026

Which of the following rate-limiting approaches are used on the Nokia 7750 SR? (Choose two)

  1. Shapeless policing at SAP-ingress only.
  2. Shapeless policing at SAP-ingress and egress.
  3. Biased round robin queuing at ingress only.
  4. Soft shaping at all network interfaces.
  5. Soft shaping at network ingress only.

Answer(s): D,E



On the Nokia 7750 SR, what is the maximum number of queues that a single SAP-ingress policy can support in a VPLS?

  1. 16
  2. 8
  3. 32
  4. 48
  5. 56

Answer(s): C



Which of the following statements regarding the default scheduler in the Nokia 7750 SR are TRUE? (Choose two)

  1. There are a maximum of 8 levels of priority serviced using a round-robin algorithm.
  2. The default scheduler will spend an equal amount of time in each queue, as long as there is traffic present
  3. The H1 internal forwarding class will receive its CIR before AF traffic.
  4. Orphaned queues will be scheduled out of the BE queue.
  5. A queue servicing EF and AF traffic will require explicit configuration to set the queue to expedited.

Answer(s): C,E



How does an IOM3 improve the queue usage over an IOM2 in a Nokia 7750 SR? (Choose two)

  1. The IOM3 adds more memory to both forwarding complexes which increases the total number of queues available.
  2. The IOM3 only contains a single forwarding complex which reduces the number of queues used.
  3. The IOM3 allows multiple forwarding classes to be assigned to a single queue.
  4. The IOM3 allows queues to be dynamically allocated between ingress and egress.
  5. The IOM3 has a larger CPU capable of tracking active hardware queue utilization and adjusting memory allocation accordingly.

Answer(s): B,D



Which of the following statements about the consequences of congestion is TRUE?

  1. Negative jitter results in a smaller than expected interval between transmitted packets.
  2. Jitter does not have any effect on the quality of video applications.
  3. Serialization delay is not affected by congestion.
  4. Queuing delay is a fixed form of delay in networks.

Answer(s): A



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