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4A0-107
Nokia Quality of Service Questions and Answers

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Viewing questions 51-60 out of questions

Questions # 51:

According to the SAP-egress policy configured and applied, which queue will AF traffic use?

Question # 51

Options:

Queue 3, because it is explicitly defined in the SAP-egress policy.

Queue 2, because it is explicitly configured in the queue-group template.

The default, queue 1, because there is a mismatch between the mapping in the SAP-egress policy and in the queue-group template.

AF traffic is dropped because there is a mismatch between the mapping in the SAP-egress policy and in the queue-group template.

Answer

Questions # 52:

Which of the following criteria is NOT used in the behavior aggregate classification option?

Options:

dot1p

dst-mac

lsp-exp

dscp

Answer

Questions # 53:

Which of the following are entities of the Nokia 7750 SR on which you can NOT apply a network-queue policy? (Choose three)

Options:

Router interfaces

Ingress MDA

Ingress Ethernet network ports

Egress Ethernet network ports

Service SAPs

Answer

A, C, E

Questions # 54:

Question # 54

Traffic corresponding to a layer-3 VPN arrives at router PE1 marked with a dot1p value of 4. The SDP carrying the traffic uses an MPLS transport tunnel. Given the policies applied on the routers in the diagram, what is the EXP value of packets arriving at router PE2?

Options:

Answer

Questions # 55:

Which of the following statements regarding the default scheduler in the Nokia 7750 SR are TRUE? (Choose two)

Options:

There are a maximum of 8 levels of priority serviced using a round-robin algorithm.

The default scheduler will spend an equal amount of time in each queue, as long as there is traffic present

The H1 internal forwarding class will receive its CIR before AF traffic.

Orphaned queues will be scheduled out of the BE queue.

A queue servicing EF and AF traffic will require explicit configuration to set the queue to expedited.

Answer

C, E

Questions # 56:

Which action should be taken to ensure that packets do not use the shared buffer space when put into a queue?

Options:

Set the queue’s CBS to 0

Set the queue’s MBS equal to the CBS

Set the queue’s high-priority-only equal to the MBS

Set the queue’s MBS to 0

Set the queue’s high-priority-only to 0

Answer

Questions # 57:

A frame belonging to a Layer 2 service is encapsulated in an MPLS tunnel at a network-egress port. Which of the following fields in the frame can be marked or remarked at the network egress port?