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Nokia 4A0-107 Practice Test - Questions Answers, Page 20

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Which of the following about the process of queuing self-generated traffic in the Nokia 7750 SR is TRUE?

A.
Ingress traffic is stored in IOM queues and egress traffic is stored in CPM queues.
A.
Ingress traffic is stored in IOM queues and egress traffic is stored in CPM queues.
Answers
B.
Ingress traffic is stored in CPM queues and egress traffic is stored in IOM queues.
B.
Ingress traffic is stored in CPM queues and egress traffic is stored in IOM queues.
Answers
C.
It is always stored in CPM queues.
C.
It is always stored in CPM queues.
Answers
D.
It is always stored in IOM queues.
D.
It is always stored in IOM queues.
Answers
Suggested answer: B

Which of the following self-generated traffic applications is considered ''protocol'' traffic, as opposed to ''management'' traffic?

A.
BGP
A.
BGP
Answers
B.
Telnet
B.
Telnet
Answers
C.
ICMP
C.
ICMP
Answers
D.
SNMP
D.
SNMP
Answers
Suggested answer: A

Refer to the exhibit.

According to the configuration shown above, which of the following about the classification and marking of self- generated BGP traffic is TRUE?

A.
It will be marked as DSCP BE and classified into forwarding class BE.
A.
It will be marked as DSCP BE and classified into forwarding class BE.
Answers
B.
It will be marked as DSCP NC1 and classified into forwarding class BE.
B.
It will be marked as DSCP NC1 and classified into forwarding class BE.
Answers
C.
It will be marked as DSCP NC1 and classified into forwarding class NC.
C.
It will be marked as DSCP NC1 and classified into forwarding class NC.
Answers
D.
It will be marked as DSCP NC1 and classified into forwarding class AF.
D.
It will be marked as DSCP NC1 and classified into forwarding class AF.
Answers
Suggested answer: D

Which of the following CANNOT be used as external marking bits?

A.
IP Precedence
A.
IP Precedence
Answers
B.
Dot1p
B.
Dot1p
Answers
C.
Forwarding class
C.
Forwarding class
Answers
D.
EXP
D.
EXP
Answers
Suggested answer: C

Which of the following fields in packets belonging to a Layer 3 service can be pre-marked on SAP-ingress?

A.
Dot1p
A.
Dot1p
Answers
B.
DEI
B.
DEI
Answers
C.
EXP
C.
EXP
Answers
D.
DSCP/PREC
D.
DSCP/PREC
Answers
Suggested answer: D

Refer to the exhibit.

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?

A.
2
A.
2
Answers
B.
3
B.
3
Answers
C.
5
C.
5
Answers
D.
6
D.
6
Answers
Suggested answer: D

Refer to the exhibit.

In the diagram shown above, applying policing and soft-policing on access ingress is typical for which of the following types of traffic?

A.
Real-time
A.
Real-time
Answers
B.
Assured
B.
Assured
Answers
C.
Best-effort
C.
Best-effort
Answers
D.
Self-generated
D.
Self-generated
Answers
Suggested answer: C

Which of the following QoS functions does the slope policy perform?

A.
Classification
A.
Classification
Answers
B.
Marking
B.
Marking
Answers
C.
Buffer admission control
C.
Buffer admission control
Answers
D.
Scheduling
D.
Scheduling
Answers
Suggested answer: C

Which of the following features of the Nokia 7750 SR prevents Head of Line blocking in the default queuing model?

A.
Every forwarding class can be associated with its own queue without sharing with other forwarding classes.
A.
Every forwarding class can be associated with its own queue without sharing with other forwarding classes.
Answers
B.
A 3-tier scheduling policy can be applied at SAP-ingress/SAP-egress.
B.
A 3-tier scheduling policy can be applied at SAP-ingress/SAP-egress.
Answers
C.
For each unicast queue in a SAP-ingress or network-queue policy, there is a separate hardware queue for each destination FFPC.
C.
For each unicast queue in a SAP-ingress or network-queue policy, there is a separate hardware queue for each destination FFPC.
Answers
D.
Policing can be deployed instead of queuing at ingress.
D.
Policing can be deployed instead of queuing at ingress.
Answers
Suggested answer: C

A queue-group template can only contain policers (no queues) when applied under which conditions?

A.
When applied at the FP (Forwarding Path) level for access egress
A.
When applied at the FP (Forwarding Path) level for access egress
Answers
B.
When applied at an access port for ingress or egress
B.
When applied at an access port for ingress or egress
Answers
C.
When applied at the FP (Forwarding Pass) level for access ingress
C.
When applied at the FP (Forwarding Pass) level for access ingress
Answers
D.
When applied at the port level for network egress
D.
When applied at the port level for network egress
Answers
Suggested answer: C
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