Alcatel Lucent 4A0-107 Nokia Quality of Service Online Training
Alcatel Lucent 4A0-107 Online Training
The questions for 4A0-107 were last updated at Feb 15,2025.
- Exam Code: 4A0-107
- Exam Name: Nokia Quality of Service
- Certification Provider: Alcatel Lucent
- Latest update: Feb 15,2025
What is the maximum number of forwarding subclasses a forwarding class can have?
- A . 3
- B . 64
- C . 72
- D . 16
- E . 56
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.
Click the exhibit button below.
Given the SAP-ingress policy, which of the following statements are FALSE? (Choose three)
- A . Queue 5 is using priority mode.
- B . UDP traffic can be serviced at a maximum rate of 20 Mbps.
- C . Ping traffic is place in queue 5.
- D . Queues 5 and 6 will receive equal portions of any remaining available bandwidth to meet their above-CIR bandwidth requirements.
- E . Queue 3 is scheduled before queue 5.
Which of the following should be performed if a service provider does not want packets to make use of the shared buffer space when queued?
- A . Set the CBS to 0.
- B . Set the MBS equal to the CBS.
- C . Set the high-priority-only equal to the MBS.
- D . Set the MBS to 0.
- E . Set the high-priority-only to 0.
Which of the following statements BEST describes an MBS parameter?
- A . It specifies the maximum rate at which a queue can be serviced.
- B . It specifies the maximum depth of a queue beyond which packets will be dropped.
- C . It specifies the portion of a queue that is taken from the reserved buffer pool.
- D . It specifies the threshold beyond which only in-profile packets will be queued.
- E . It specifies the peak bandwidth that can be attained by the incoming traffic.
How many queues are available for use on service egress within a VPLS service?
- A . 1 multipoint and 8 unicast.
- B . 8 queues, regardless of traffic type.
- C . 8 unicast and 24 multipoint.
- D . 8 unicast and 8 multipoint.
- E . 16 queues, distributed as desired.
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.
- A . TRUE
- B . FALSE
On the Nokia 7750 SR, where can network-queue policies be applied? (Choose two)
- A . On the network egress port.
- B . On the SDP.
- C . On the access ingress port.
- D . On the egress MDA.
- E . On the SAP.
- F . On the ingress MDA.
Click the exhibit button below.
Given the output of the #show pools 1/2/2 network-egress command on a GigE port, what can the service provider deduce? (Choose two)
- A . QoS is not configured on the router.
- B . Packets in forwarding classes "be" and "12" are being queued.
- C . Traffic belonging to forwarding class "ef" is not experiencing queuing delays.
- D . Traffic belonging to forwarding class "11 "will never make use of the shared buffer pool.
- E . Out-of-profile traffic in the shared buffer pool is being dropped.
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?
- A . It will be queued in the reserved portion of the buffer pool and remain out-of-profile.
- B . It will be queued in the reserved portion of the buffer pool if there are no in-profile packets already in the queue.
- C . It will be queued in the reserved portion of the buffer pool and be in-profile.
- D . It will be queued in the shared portion of the buffer pool but contend for shared buffer space with packets from other queues.
- E . It will be queued in the shared portion of the buffer pool but may be dropped if the buffer utilization exceeds the start-average value of the low slope.
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