Free 4A0-107 Exam Braindumps (page: 31)

Page 31 of 58

Which of the following statements about the DiffServ and IntServ QoS models is FALSE?

  1. IntServ uses a protocol like RSVP to provide QoS guarantees on a per-flow basis.
  2. DiffServ groups multiple microflows into bigger streams called macro flows.
  3. Intserv requires that network routers allocate resources for thousands of individual flows.
  4. Diffserv classifies packets into forwarding classes only at the first network hop.

Answer(s): D



Which of the statements about packet classification is TRUE?

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

Answer(s): C



Which of the following statements about CIR of a queue is TRUE?

  1. It may exceed PIR of the queue.
  2. It may be exceeded by the average servicing rate of the queue.
  3. It varies depending on the traffic characteristics.
  4. It is the rate at which packets are forwarded out of the queue.

Answer(s): D



Which of the following is NOT a characteristic of policing?

  1. It smooths out traffic bursts.
  2. It drops the packets when average peak rate is exceeded.
  3. It may additionally color the packets as they arrive.
  4. It buffers the packets at its output before sending them out.

Answer(s): B



Page 31 of 58



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