Nokia 4A0-107 Online Practice Questions and Exam Preparation

Nokia 4A0-107 Online Questions & Answers

• Question 31:

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

  A. 1st
  B. 8th
  C. 9th
  D. 17th
  A. 1st

• Question 32:

  Where is a QoS network queue policy applied?

  A. Ingress SAP or egress SAP
  B. Egress port or ingress MDA
  C. Egress MDA or ingress network interface
  D. Egress network interface or ingress MDA
  B. Egress port or ingress MDA

• Question 33:

  Which of the following statements about the default scheduler in the Nokia 7750 SR is FALSE?

  A. The default scheduler spends an equal amount of time servicing each queue that has traffic to be sent out.
  B. Queue-type can be configured as best-effort, expedite, or auto-expedite.
  C. A queue will be serviced as expedited if its type is configured as expedited, regardless of the forwarding classes mapped to it.
  D. A queue configured as auto-expedited will be an expedited queue as long as no Best Effort FC is mapped to it.
  A. The default scheduler spends an equal amount of time servicing each queue that has traffic to be sent out.

• Question 34:

  Which of the following self-generated traffic applications is considered "protocol" traffic, as opposed to "management" traffic?

  A. BGP
  B. Telnet
  C. ICMP
  D. SNMP
  A. BGP

• Question 35:

  Both SAP-ingress 10 and policer-control-policy "CFHP" have been applied to a service SAP ingress. What is the maximum bandwidth allocated to policer 2?

  

  A. 10000 Kbps
  B. 15000 Kbps
  C. 20000 Kbps
  D. 30000 Kbps
  D. 30000 Kbps

• Question 36:

  

  Given the scheduler-policy parameters shown, and assuming the offered rate of each queue is 10 Mbps, what are the operational PIR and CIR for queue 3?

  A. PIR = 4 Mbps, CIR = 1 Mbps
  B. PIR = 1 Mbps, CIR = 1 Mbps
  C. PIR = 10 Mbps, CIR = 1 Mbps
  D. PIR = 5 Mbps, CIR = 1.25 Mbps
  E. PIR = 1.25 Mbps, CIR = 1.25 Mbps
  C. PIR = 10 Mbps, CIR = 1 Mbps

• Question 37:

  Which of the following can be used as classifiers of customer traffic? (Choose three)

  A. DSCP value
  B. 802.1p value
  C. IP DF bit
  D. TCP/UDP port numbers
  E. HTML version number
  A. DSCP value
  B. 802.1p value
  D. TCP/UDP port numbers

• Question 38:

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

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

• Question 39:

  Which of the following components are NOT configured in a hierarchical scheduler policy?

  A. Queue parameters with which the queue will compete for bandwidth.
  B. The level of hierarchy with which a group of schedulers is associated.
  C. Bandwidth controls that limit each child scheduler or child queues associated with the scheduler.
  D. The maximum bandwidth that the parent scheduler can offer its child queues or schedulers.
  C. Bandwidth controls that limit each child scheduler or child queues associated with the scheduler.

• Question 40:

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

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