Nokia 4A0-107 Exam (page: 9)
Nokia Quality of Service
Updated on: 15-Feb-2026

Viewing Page 9 of 48

In which of the following scenarios is the egress port scheduler useful? (Choose two)

  1. A customer is complaining that his VoIP traffic is being dropped even though it is sending the correct DSCP markings. Packets are not being dropped on ingress.
  2. A customer is complaining that his VoIP traffic is being dropped even though it is sending the correct DSCP markings. Packets are being dropped on ingress.
  3. A commercial builder has requested numerous dot1Q epipes, VPRNs, and VPLS services to a business park and is only paying up to a maximum 200Mbps.
  4. An equipment manufacturer has requested a NULL epipe service that will transparently pass dot1Q between the new location and national headquarters.

Answer(s): A,C



Policing improves bandwidth utilization by using buffering to absorb high bursts of traffic.

  1. TRUE
  2. FALSE

Answer(s): B



On the Nokia 7750 SR, which of the following QoS-related policies can be configured on a SAP? (Choose three)

  1. The slope-policy
  2. The SAP-ingress policy
  3. The SAP-egress policy
  4. The network-queue policy
  5. The scheduler-policy

Answer(s): B,C,E



Which of the following statements BEST describes where shaping mechanisms should be applied?

  1. On all ports on the Nokia 7750 SR.
  2. At the junction of high-speed to low-speed links or at places of traffic aggregation.
  3. At the junction of low-speed to high-speed links or at places of traffic aggregation.
  4. On low-speed WAN links.
  5. Nowhere. Shaping is only performed in hardware and serviced in a round-robin.

Answer(s): B



When using an egress port scheduler, on which scheduling loop are orphaned queues serviced?

  1. Level 8 within CIR.
  2. Level 8 between CIR and PIR.
  3. Level 8, once all PIR is serviced.
  4. Level 1 within CIR.
  5. Level 1 between CIR and PIR.
  6. Level 1, once all PIR is serviced.

Answer(s): C



Viewing Page 9 of 48



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