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Free 4A0-107 Exam Braindumps (page: 24)

Page 23 of 58
PDF with 231 Questions

Which of the following statements describe the operation of WRED on the Nokia 7750 SR? (Choose three)

  1. WRED monitors the shared buffer space utilization over a period of time.
  2. WRED disables the TCP slow-start congestion control mechanism.
  3. WRED uses two configurable slopes for each buffer pool: a high slope and a low slope.
  4. 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.
  5. WRED polices the shared buffer pool and marks all packets above a certain rate as "discard eligible."

Answer(s): D



Click the exhibit button below. Given the scheduler-policy (below), which of the following can be done to guarantee that the best-effort traffic receives its configured CIR value?

  1. Change the CIR-level value for the best-effort queue to 8.
  2. Do not change anything; it is already guaranteed to receive its CIR
  3. Change the CIR-level value for the best-effort queue to 1.
  4. Change the CIR-weight value of the AF queue to 0.

Answer(s): A,D



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



If a packet is marked on a SAP-ingress, it will be remarked at the first network egress point (if remarking is enabled in the network egress policy).

  1. TRUE
  2. FALSE

Answer(s): B






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