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Nokia 4A0-107 Practice Test - Questions Answers, Page 17

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At which point are internal QoS markings added to the packets?

A.
SAP-ingress
A.
SAP-ingress
Answers
B.
FFPC
B.
FFPC
Answers
C.
SAP-egress
C.
SAP-egress
Answers
D.
network-egress
D.
network-egress
Answers
Suggested answer: B

Which of the following statements about marking packets is TRUE?

A.
Packets corresponding to a layer-2 service can be pre-marked on SAP-ingress.
A.
Packets corresponding to a layer-2 service can be pre-marked on SAP-ingress.
Answers
B.
Packets corresponding to a layer-2 service can be pre-marked on network-ingress.
B.
Packets corresponding to a layer-2 service can be pre-marked on network-ingress.
Answers
C.
Packets corresponding to a layer-3 service can be pre-marked on SAP-ingress.
C.
Packets corresponding to a layer-3 service can be pre-marked on SAP-ingress.
Answers
D.
Packets corresponding to a layer-3 service can be pre-marked on network-ingress.
D.
Packets corresponding to a layer-3 service can be pre-marked on network-ingress.
Answers
Suggested answer: D

Packets arrive at the VPLS SAP on PE1 with DSCP marking of af11 and Dot1p of 2. According to the QoS policies applied at routers PE1, P, and PE2, what is the DSCP value of packets egressing router PE2? (All the SDPs are MPLS-encapsulated, and all interfaces are using their default trust states).

A.
af11
A.
af11
Answers
B.
af21
B.
af21
Answers
C.
af23
C.
af23
Answers
D.
af31
D.
af31
Answers
Suggested answer: A

Packets arrive at the VPRN SAP on PE1 with DSCP marking of af11 and Dot1p of 2. According to the QoS policies applied at routers PE1, P, and PE2, what is the dot1p value of packets egressing routerPE2? (All the SDPs are MPLS-encapsulated, and all interfaces are using their default trust states).

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

Packets enter the network via the ePipe SAP on PE1 with dot1p marking of 6. The VC type of the SDP interconnecting PE1 and PE2 is vlan. All network interfaces use the default network QoS policy. According to the configuration shown above, what is the inner dot1p value of the BE traffic egressing router PE2?

A.
0
A.
0
Answers
B.
3
B.
3
Answers
C.
6
C.
6
Answers
D.
22
D.
22
Answers
Suggested answer: C

Which of the following statements about the QoS treatment of self-generated traffic in the Nokia 7750 SR is FALSE?

A.
All self-generated traffic is assigned into forwarding class NC by default.
A.
All self-generated traffic is assigned into forwarding class NC by default.
Answers
B.
Ingress self-generated traffic is stored in CPM queues and egress self-generated traffic is stored in IOM queues.
B.
Ingress self-generated traffic is stored in CPM queues and egress self-generated traffic is stored in IOM queues.
Answers
C.
The self-generated packets will be marked with a default DSCP value.
C.
The self-generated packets will be marked with a default DSCP value.
Answers
D.
The self-generated packets will be marked with default EXP bits.
D.
The self-generated packets will be marked with default EXP bits.
Answers
Suggested answer: C

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

A.
IS-IS
A.
IS-IS
Answers
B.
RSVP
B.
RSVP
Answers
C.
ICMP
C.
ICMP
Answers
D.
BGP
D.
BGP
Answers
Suggested answer: C

According to the configurations shown, which of the following statements about the classification and queuing of self-generated OSPF traffic is TRUE?

A.
It will be classified into forwarding class BE and stored in queue 1.
A.
It will be classified into forwarding class BE and stored in queue 1.
Answers
B.
It will be classified into forwarding class BE and stored in queue 8.
B.
It will be classified into forwarding class BE and stored in queue 8.
Answers
C.
It will be classified into forwarding class NC and stored in queue 1.
C.
It will be classified into forwarding class NC and stored in queue 1.
Answers
D.
It will be classified into forwarding class NC and stored in queue 8.
D.
It will be classified into forwarding class NC and stored in queue 8.
Answers
Suggested answer: A

Which of the following traffic types is typically rate-limited by applying shaping and soft-policing on access ingress?

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

Where is a QoS network queue policy applied?

A.
Ingress SAP or egress SAP
A.
Ingress SAP or egress SAP
Answers
B.
Egress port or ingress MDA
B.
Egress port or ingress MDA
Answers
C.
Egress MDA or ingress network interface
C.
Egress MDA or ingress network interface
Answers
D.
Egress network interface or ingress MDA
D.
Egress network interface or ingress MDA
Answers
Suggested answer: B
Total 231 questions
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