4A0-107

4A0-107 practice questions, page 2 of 9, with answer review and explanations.

Question 6

Which of the following are characteristics of DSCP? (Choose two)

  1. DSCP is part of the Layer 3 header.
  2. DSCP is a 6-bit field.
  3. DSCP specifies eight different priorities.
  4. DSCP specifies four precedence levels.
  5. DSCP is part of the Layer 2 header
  6. DSCP specifies 128 different per-hop behaviors.

Question 7

What is an SLA? (Choose two)

  1. An SLA is used to provide automated, real-time testing and alarming for throughput, latency, and jitter across a provider's network.
  2. An SLA is an agreement between a customer and a provider that dictates the treatment of customer traffic across the provider's network.
  3. An SLA allows customers to control all traffic within the service provider's network by prioritizing their traffic over others as desired.
  4. An SLA allows a customer to pre-mark traffic and ensure that traffic is treated as per the agreement within the provider's network.
  5. An SLA is a standard set of network QoS policies that a provider shares to all its customers, allowing them to better understand the treatment of traffic within

Question 8

How many bits does DSCP use to provide QoS marking options?

  1. 8
  2. 16
  3. 6
  4. 4
  5. 3

Question 9

Which of the following are major components of QoS functionality on the Alcatel-Lucent 7750 SR? (Choose three)

  1. Microflow reservations using RSVP
  2. DSCP to EXP translation
  3. Traffic classification
  4. Automatic profiling and policy configuration
  5. Buffer memory management
  6. Traffic scheduling

Question 10

Which of the following are characteristics of 802.1p? (Choose two)

  1. 802.1p adds 16 bits to the Layer 2 header,
  2. 802.1p adds 16 bits to the Layer 3 header.
  3. 802.1p specifies 64 different priority levels.
  4. 802.1p uses a field in the 802.1Q header.
  5. 802.1p uses a field in the Layer 3 IP header
  6. 802.1p defines a 3-bit Class of Service field.