Nokia 4A0-107 Online Practice Questions and Exam Preparation

Nokia 4A0-107 Online Questions & Answers

• Question 161:

  In which policies, on the Nokia 7750 SR. is classification performed? (Choose three)

  A. SAP-ingress policy
  B. SAP-egress policy
  C. IP-criteria policy
  D. Network-queue policy
  E. Slope policy
  F. Network policy
  A. SAP-ingress policy

• Question 162:

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

  A. The slope-policy
  B. The SAP-ingress policy
  C. The SAP-egress policy
  D. The network-queue policy
  E. The scheduler-policy
  B. The SAP-ingress policy
  C. The SAP-egress policy
  E. The scheduler-policy

• Question 163:

  Which of the following statements about queue modes, and profile marking of packets when leaving a queue is FALSE?

  A. Profile-mode and priority-mode queues can only be configured on SAP ingress.
  B. For network egress, egress re-classification can change the profile marked at ingress.
  C. For SAP egress, the profile marked at ingress may change based on the scheduling loop.
  D. For network ingress, the network policy can classify the packet as either in-profile, or out-of-profile.
  C. For SAP egress, the profile marked at ingress may change based on the scheduling loop.

• Question 164:

  Click the exhibit button below. Given the slope-policy (below), which of the following statements are TRUE? (Choose two)

  

  A. All out-of-profile traffic will be dropped before that of any in-profile traffic.
  B. The discard probability slope of an in-profile traffic is steeper than that of an out-of-profile traffic.
  C. When the shared buffer utilization reaches 55%, both in-profile and out-of-profile packets may be dropped.
  D. The maximum probability with which an out-of-profile packet can be dropped is higher than that of an in-profile packet.
  E. When the shared buffer utilization is at 61%, only in-profile packets are currently in the shared buffer pool.
  C. When the shared buffer utilization reaches 55%, both in-profile and out-of-profile packets may be dropped.
  D. The maximum probability with which an out-of-profile packet can be dropped is higher than that of an in-profile packet.

• Question 165:

  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. 2
  B. 3
  C. 5
  D. 6
  B. 3

• Question 166:

  Which of the following is NOT a factor when deciding if a packet can be accepted into a queue?

  A. Profile/priority state of a packet
  B. Forwarding class
  C. Queue depth
  D. HPO setting
  C. Queue depth

• Question 167:

  Which of the following is NOT an adaptation rule supported on the Nokia 7750 SR for calculating the operational CIR/PIR of a queue?

  A. Closest
  B. Average
  C. Min
  D. Max
  B. Average

• Question 168:

  How many tiers of schedulers can be supported in hierarchical scheduling on the Nokia 7750 SR?

  A. 8
  B. 3
  C. 5
  D. 6
  B. 3

• Question 169:

  The network QoS policy shown below is applied properly to a Nokia 7750 SR acting as a transit Label Switch Router (LSR) for a given MPLS tunnel. A packet is received inside the MPLS tunnel with EXP=4, dot1p=4, and DSCP=AF. Which forwarding class is assigned to this packet?

  

  A. L2
  B. H1
  C. AF
  D. BE
  B. H1

• Question 170:

  Packets arrive at the VPLS 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 DSCP value of packets egressing router PE2? (All the SDPs are MPLS-encapsulated, and all interfaces are using their default trust states).

  

  A. af11
  B. af21
  C. af23
  D. af31
  A. af11