4A0-107 - Alcatel-Lucent Quality of Service

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Example Questions

Which of the following statements BEST describes an MBS parameter? Which of the following are examples of metrics for QoS? Which of the following statements are TRUE when discussing self-generated traffic QoS? (Choose two) Which of the following statements are TRUE regarding the PE device in a QoS enabled network? (Choose two) Which of the following statements regarding policing and shaping on the Alcatel-Lucent 7750 SR are TRUE? (Choose two) If a packet is marked on a SAP-ingress, it will be remarked at the first network egress point (if remarking is enabled in the network egress policy). Which of the following are possible criteria for classifying packets at the network port ingress on the Alcatel-Lucent 7750 SR? (Choose three) Which of the following statements describe the operation of WRED on the Alcatel-Lucent 7750 SR? (Choose three) The IP ToS field consists of ________ bits, of which ________are used. The _________most significant (first) bits define precedence. Which of the following are possible criteria for classifying packets at the SAP-ingress? (Choose three) When deploying an Alcatel-Lucent MPLS network with QoS, how are the EXP bits set? Which of the following statements regarding egress FC and profile over-ride are TRUE? (Choose two) On the Alcatel-Lucent 7750 SR, what is a slope policy used for? In which of the following scenarios is the egress port scheduler useful? (Choose two) What is the 6-bit binary representation of DSCP value AF21? To manage the shared buffer space at network ports, slope policies are applied on _________ for the ingress direction, and on ________ or _________ for the egress direction. How many queues are available for use on service egress within a VPLS service? Policing improves bandwidth utilization by using buffering to absorb high bursts of traffic. WRED can be used to help avoid TCP slow-start synch problems. Which of the following statements BEST describes the IntServ model? A packet is to be encapsulated inside an MPLS tunnel which consists of two MPLS headers at the first network egress. Which of the MPLS EXP fields will be marked? In which of the following scenarios is self-generated traffic QoS (sgt-QoS) useful? Which of the following statements BEST defines policing? Real-time rate limiting on the service ingress is a feature that performs_____________. Traffic above the defined PIR is ______________. Which of the following statements regarding buffer pool allocation are FALSE? (Choose two) On the Alcatel-Lucent 7750 SR, which of the following QoS-related policies can be configured on a SAP? (Choose three) Traffic assigned to forwarding classes is placed into queues, while the contents of the queues are serviced in a controlled manner using____________. Which of the following fields can be marked or remarked for frames belonging to a Layer 2 service? Which of the following are NOT ingress matching criteria for a network policy? (Choose two) Which of the following statements is considered best practice when changing a network policy that has been associated with an interface? Forwarding subclasses are only relevant to, and are therefore applied within the context of, a _____________policy. Which of the following statements describe the primary objectives of the policing of traffic flows on the Alcatel-Lucent 7750 SR? (Choose two) Which of the following statements regarding the egress port scheduler is TRUE? Which of the following BEST describes a SAP when regarding QoS? Which of the following can be used as classifiers of customer traffic? (Choose three) Which of the following statements regarding DSCP bits are TRUE? (Choose three) It is necessary for Tier 1 schedulers to obtain bandwidth from a higher tier scheduler. Which of the following are entities of the Alcatel-Lucent 7750 SR on which you can NOT apply a network-queue policy? (Choose three) A queue is configured with the following attributes: MBS = 10KB CBS = 5KB High-Priority-Only = 20% Assume that there is no CBS overbooking and that the slope-policy is disabled. If the current queue depth is 3KB, what will happen to an out-of-profile packet arriving at an egress queue? If traffic is destined to queue 5, which has a high-priority-only value of 0 in the network-queue policy, all out-of-profile packets will be dropped. Which of the following are categories of forwarding classes on the Alcatel-Lucent 7750 SR? (Choose two) Which of the following statements regarding scheduling on the Alcatel-Lucent 7750 SR is TRUE? (Choose two) In the context of hierarchical scheduling, a scheduler is configured with a CIR weight of 0. Which of the following statements is TRUE? Without_______, a customer's high priority traffic can be dropped before its low priority traffic. A physical port has three associated buffer pools. Which of the following buffer pool combinations is associated to a physical port? With hierarchical scheduling, up to ___________ tiers are supported on the Alcatel-Lucent 7750 SR. Which of the following statements BEST describes where shaping mechanisms should be applied? Which of the following statements regarding scheduling are TRUE? (Choose two) On an Alcatel-Lucent IOM 3, how is buffer memory allocated per forwarding complex? Which of the following rate-limiting approaches are used on the Alcatel-Lucent 7750 SR? (Choose two)