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Nokia 4A0-107 Practice Test - Questions Answers, Page 12

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How many tiers of schedulers can be supported in hierarchical scheduling on the Nokia 7750 SR?
Which of the following CANNOT be used as external marking bits?
At which points can traffic be marked or remarked on the Nokia 7750? (Choose two)
Which parameter can be configured in a network ingress QoS policy?
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?
On the Nokia 7750 SR, what is the maximum number of ingress queues that a single network queue policy can support in a VPLS?
According to the SAP-ingress QoS policy shown, which packets have a higher priority to enter queue 2?
What can be learned from the output of the command ''show pools 1/2/2 network-egress'' on the GigE port?
Which of the following statements about queue modes, and profile marking of packets when leaving a queue is FALSE?
Which of the following about scheduling is TRUE?

Question 111

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

A.
There are a maximum of 8 levels of priority serviced using a round-robin algorithm.
A.
There are a maximum of 8 levels of priority serviced using a round-robin algorithm.
Answers
B.
The default scheduler will spend an equal amount of time in each queue, as long as there is traffic present
B.
The default scheduler will spend an equal amount of time in each queue, as long as there is traffic present
Answers
C.
The H1 internal forwarding class will receive its CIR before AF traffic.
C.
The H1 internal forwarding class will receive its CIR before AF traffic.
Answers
D.
Orphaned queues will be scheduled out of the BE queue.
D.
Orphaned queues will be scheduled out of the BE queue.
Answers
E.
A queue servicing EF and AF traffic will require explicit configuration to set the queue to expedited.
E.
A queue servicing EF and AF traffic will require explicit configuration to set the queue to expedited.
Answers
Suggested answer: C, E

Question 112

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Based on the configuration of the network policy (below), what will be the forwarding class associated with a MPLS encapsulated customer packet that arrives on a dotlQ encapsulated network port 1/1/4:1 on P1 with the following characteristics:

EXP value = 6

DSCP value = cs1

Dot1pvalue = 3

A.
EF
A.
EF
Answers
B.
H1
B.
H1
Answers
C.
L1
C.
L1
Answers
D.
H2
D.
H2
Answers
E.
L2
E.
L2
Answers
Suggested answer: D

Question 113

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How does an IOM3 improve the queue usage over an IOM2 in an Nokia 7750 SR? (Choose two)

A.
The IOM3 adds more memory to both forwarding complexes which increases the total number of queues available.
A.
The IOM3 adds more memory to both forwarding complexes which increases the total number of queues available.
Answers
B.
The IOM3 only contains a single forwarding complex which reduces the number of queues used.
B.
The IOM3 only contains a single forwarding complex which reduces the number of queues used.
Answers
C.
The IOM3 allows multiple forwarding classes to be assigned to a single queue.
C.
The IOM3 allows multiple forwarding classes to be assigned to a single queue.
Answers
D.
The IOM3 allows queues to be dynamically allocated between ingress and egress.
D.
The IOM3 allows queues to be dynamically allocated between ingress and egress.
Answers
E.
The IOM3 has a larger CPU capable of tracking active hardware queue utilization and adjusting memory allocation accordingly.
E.
The IOM3 has a larger CPU capable of tracking active hardware queue utilization and adjusting memory allocation accordingly.
Answers
Suggested answer: B, D

Question 114

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Which of the following statements BEST describes the IntServ model?

A.
Has the ability to distinguish traffic in 32 different ways.
A.
Has the ability to distinguish traffic in 32 different ways.
Answers
B.
Uses the RSVP protocol to create microflows through a network.
B.
Uses the RSVP protocol to create microflows through a network.
Answers
C.
Has the ability to manually configure foiwarding classes through a network.
C.
Has the ability to manually configure foiwarding classes through a network.
Answers
D.
Uses the RSVP protocol to create macroflows through a network.
D.
Uses the RSVP protocol to create macroflows through a network.
Answers
Suggested answer: B

Question 115

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

A.
Microflow reservations using RSVP
A.
Microflow reservations using RSVP
Answers
B.
DSCP to EXP translation
B.
DSCP to EXP translation
Answers
C.
Traffic classification
C.
Traffic classification
Answers
D.
Automatic profiling and policy configuration
D.
Automatic profiling and policy configuration
Answers
E.
Buffer memory management
E.
Buffer memory management
Answers
F.
Traffic scheduling
F.
Traffic scheduling
Answers
Suggested answer: C, E, F

Question 116

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On a Nokia IOM 3, how is buffer memory allocated per forwarding complex?

A.
512 MB ingress, 512 MB egress
A.
512 MB ingress, 512 MB egress
Answers
B.
256 MB ingress, 256 MB egress
B.
256 MB ingress, 256 MB egress
Answers
C.
1 GB dynamically allocated between ingress and egress.
C.
1 GB dynamically allocated between ingress and egress.
Answers
D.
768 MB dynamically allocated between ingress and egress.
D.
768 MB dynamically allocated between ingress and egress.
Answers
E.
768 MB, with a minimum of 256 MB ingress and egress, and an additional 256 MB dynamically allocated.
E.
768 MB, with a minimum of 256 MB ingress and egress, and an additional 256 MB dynamically allocated.
Answers
Suggested answer: D

Question 117

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On the Nokia 7750 SR, where can network-queue policies be applied? (Choose two)

A.
On the network egress port.
A.
On the network egress port.
Answers
B.
On the SDP.
B.
On the SDP.
Answers
C.
On the access ingress port.
C.
On the access ingress port.
Answers
D.
On the egress MDA.
D.
On the egress MDA.
Answers
E.
On the SAP.
E.
On the SAP.
Answers
F.
On the ingress MDA.
F.
On the ingress MDA.
Answers
Suggested answer: A, F

Question 118

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On the Nokia 7750 SR, which of the following QoS-related policies can be configured on a SAP? (Choose three)

A.
The slope-policy
A.
The slope-policy
Answers
B.
The SAP-ingress policy
B.
The SAP-ingress policy
Answers
C.
The SAP-egress policy
C.
The SAP-egress policy
Answers
D.
The network-queue policy
D.
The network-queue policy
Answers
E.
The scheduler-policy
E.
The scheduler-policy
Answers
Suggested answer: B, C, E

Question 119

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Which of the following statements regarding policing and shaping on the Nokia 7750 SR are TRUE? (Choose two)

A.
The larger the configured MBS value, the lower the amount of shaping performed.
A.
The larger the configured MBS value, the lower the amount of shaping performed.
Answers
B.
When policing is enabled on the SAP-ingress, all traffic is considered as in-profile.
B.
When policing is enabled on the SAP-ingress, all traffic is considered as in-profile.
Answers
C.
Setting the CIR to 1000 and the PIR to max will enable shapeless policing at 1 Mbps within the SAP-egress policy.
C.
Setting the CIR to 1000 and the PIR to max will enable shapeless policing at 1 Mbps within the SAP-egress policy.
Answers
D.
Configuring MBS to equal CBS will disable shaping.
D.
Configuring MBS to equal CBS will disable shaping.
Answers
E.
Setting the CIR and PIR to equal values disables soft-policing.
E.
Setting the CIR and PIR to equal values disables soft-policing.
Answers
Suggested answer: B, E

Question 120

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At which points can traffic be marked or remarked on the Nokia 7750? (Choose two)

A.
SAP-ingress only
A.
SAP-ingress only
Answers
B.
SAP-egress only
B.
SAP-egress only
Answers
C.
SAP-ingress and SAP-egress
C.
SAP-ingress and SAP-egress
Answers
D.
Network ingress
D.
Network ingress
Answers
E.
Network egress
E.
Network egress
Answers
Suggested answer: C, E
Total 231 questions
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