Nokia 4A0-107 Online Practice Questions and Exam Preparation

Nokia 4A0-107 Online Questions & Answers

• Question 171:

  Individual application streams are considered microflows, whereas __________ are considered macroflows.

  A. SAPs
  B. SDPs
  C. Services
  D. Queues
  E. Schedulers
  F. Forwarding classes
  F. Forwarding classes

• Question 172:

  Which of the statements about packet classification is TRUE?

  A. It sets the destination IP address of the packet.
  B. It uses RVSP to inform other QoS capable routers how the packet should be treated.
  C. It sets the TOS, DSCP, EXP, or DOT1p field based on classification criteria.
  D. It can use a customer's encapsulated data to determine a packet's forwarding class.
  C. It sets the TOS, DSCP, EXP, or DOT1p field based on classification criteria.

• Question 173:

  Which of the following are trusted boundaries, by default? (Choose two)

  A. An IES SAP
  B. A VPLS SAP
  C. A network port
  D. AVPRN SAP
  E. An access port
  C. A network port
  D. AVPRN SAP

• Question 174:

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

  A. A queue will be serviced as expedited if all of the forwarding classes mapped to it are expedited, regardless of its configured type.
  B. A queue will be serviced as best-effort if all of the forwarding classes mapped to it are best-effort, regardless of its configured type.
  C. A queue will be serviced as expedited if at least one of the forwarding classes mapped to it is expedited, regardless of its configured type.
  D. A queue will be serviced as expedited if its type is configured as expedited, regardless of the forwarding classes mapped to it.
  A. A queue will be serviced as expedited if all of the forwarding classes mapped to it are expedited, regardless of its configured type.

• Question 175:

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

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

• Question 176:

  Click the exhibit button below. A service provider has applied the SAP-ingress policy configuration below on his customer's SAP. The service provider notices that all of the customer's traffic is being dropped at the SAP-ingress. Which of the following actions can resolve the problem, if applied on its own? (Choose three)

  

  A. Set the CIR of queue 3 to a non-zero value corresponding to the customer's expected bandwidth requirements.
  B. Set queue 3 to use priority mode.
  C. Set the traffic classification of packets to in-profile.
  D. Set the high-priority-only value to 0.
  E. Map AF traffic to queue 1
  C. Set the traffic classification of packets to in-profile.
  D. Set the high-priority-only value to 0.
  E. Map AF traffic to queue 1

• Question 177:

  Which of the following fields can be marked or remarked for frames belonging to a Layer 2 service?

  A. DSCP
  B. PREC
  C. Dot1p D. ToS
  E. Q-in-Q
  C. Dot1p D. ToS

• Question 178:

  According to the configurations shown, which of the following statements about the classification and queuing of self-generated OSPF traffic is TRUE?

  

  A. It will be classified into forwarding class BE and stored in queue 1.
  B. It will be classified into forwarding class BE and stored in queue 8.
  C. It will be classified into forwarding class NC and stored in queue 1.
  D. It will be classified into forwarding class NC and stored in queue 8.
  A. It will be classified into forwarding class BE and stored in queue 1.

• Question 179:

  Which of the following is NOT a reason for configuring a slope policy on a queue?

  A. To have control over the amount of the low priority packets that enter the queue.
  B. To control any traffic flowing through the shared buffer space of the queue.
  C. To limit the number of the TCP sessions that go into slow start during congestion.
  D. To force the TCP algorithm to increase its transmission window upon detecting a congestion.
  D. To force the TCP algorithm to increase its transmission window upon detecting a congestion.

• Question 180:

  In a Nokia 7750 SR, which of the following is a class type that is intended for non-real-time customer traffic that requires some committed bandwidth?

  A. Gold
  B. Assured
  C. High Priority
  D. Best Effort
  C. High Priority