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Nokia 4A0-104 Practice Test - Questions Answers, Page 22

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Which of the following commands would be used to show the operational state of all IES services?
Click the exhibit. Which of the following statements about the E-pipe service is TRUE?
Click the exhibit. Routes are exchanged between CE1 and PE1 using BGP. CE2 and PE2 use static routes to forward traffic to and from the VPRN. Which of the following is FALSE?
Click the exhibit. The output is from PE router R1 about VPRN service 100. From which protocol did router R1 learn the prefix 192.168.20.0/24?
Which of the following best describes the label stack for a packet in the VPRN context?
Which of the following is NOT a service offered on the Nokia 7750 SR?
Which routing protocol cannot be run over an Ipipe?
Which of the following about the Nokia 7750 SR sdp-ping is TRUE?
An IPv4 MPLS provider network is being configured for 6VPE. BGP is being used for the PE-CE protocol to exchange IPv6 routes. Which of the following is FALSE?
What happens by default on an Nokia 7750 SR when a VPLS accepts a tagged frame at the ingress SAP 1/1/1:100?

Question 211

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The SAP 1/1/1:2.3 receives an Ethernet frame with outer VLAN tag 2 and inner VLAN tag 5. Which of the following is TRUE?

A.
The matching outer tag is removed, and the frame is forwarded.
A.
The matching outer tag is removed, and the frame is forwarded.
Answers
B.
The inner tag is removed, and the frame is forwarded.
B.
The inner tag is removed, and the frame is forwarded.
Answers
C.
The inner tag is changed to match the SAP, and the frame is forwarded.
C.
The inner tag is changed to match the SAP, and the frame is forwarded.
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D.
The frame is dropped.
D.
The frame is dropped.
Answers
Suggested answer: D

Question 212

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Which of the following SAPs can be used so that only untagged frames and frames with a VLAN tag of 0 are accepted?

A.
sap 1/1/1:0
A.
sap 1/1/1:0
Answers
B.
requires both sap 1/1/1:0 and sap 1/1/1:*
B.
requires both sap 1/1/1:0 and sap 1/1/1:*
Answers
C.
sap 1/1/1:0-4096
C.
sap 1/1/1:0-4096
Answers
D.
sap 1/1/1:*
D.
sap 1/1/1:*
Answers
Suggested answer: A

Question 213

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Which of the following SAPs will forward all tagged and untagged frames on the port?

A.
sap 1/1/1
A.
sap 1/1/1
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B.
sap 1/1/1:*.0
B.
sap 1/1/1:*.0
Answers
C.
sap 1/1/1:0.*
C.
sap 1/1/1:0.*
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D.
1/1/1:0
D.
1/1/1:0
Answers
Suggested answer: A

Question 214

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An SDP using MPLS encapsulation is configured for an E-pipe service. The network port on the Nokia 7750 SR used by the SDP has an MTU of 8000. What is the SDP path MTU?

A.
7958
A.
7958
Answers
B.
7978
B.
7978
Answers
C.
8022
C.
8022
Answers
D.
8042
D.
8042
Answers
Suggested answer: B

Question 215

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Which of the following about configuring a distributed E-pipe service is TRUE?

A.
The VC ID on the mesh SDP must be explicitly configured.
A.
The VC ID on the mesh SDP must be explicitly configured.
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B.
The VC ID on the spoke SDP must be explicitly configured.
B.
The VC ID on the spoke SDP must be explicitly configured.
Answers
C.
The VC ID on the mesh SDP does not have to be explicitly configured and it will use the service id.
C.
The VC ID on the mesh SDP does not have to be explicitly configured and it will use the service id.
Answers
D.
The VC ID on the spoke SDP does not have to be explicitly configured and it will use the service id.
D.
The VC ID on the spoke SDP does not have to be explicitly configured and it will use the service id.
Answers
Suggested answer: B

Question 216

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Which of the following best describes a MAC FDB used by a VPLS service?

A.
A VPLS service does not use a MAC FDB.
A.
A VPLS service does not use a MAC FDB.
Answers
B.
A single MAC FDB is shared by all VPLS services on a PE.
B.
A single MAC FDB is shared by all VPLS services on a PE.
Answers
C.
A separate MAC FDB is used on the PE for each VPLS service.
C.
A separate MAC FDB is used on the PE for each VPLS service.
Answers
D.
Each VPLS service uses a separate MAC FDBs for unicast and multicast traffic.
D.
Each VPLS service uses a separate MAC FDBs for unicast and multicast traffic.
Answers
Suggested answer: C

Question 217

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Which of the following about the Nokia 7750 SR svc-ping, when used in-band, is FALSE?

A.
It will show the hops taken between service endpoints.
A.
It will show the hops taken between service endpoints.
Answers
B.
It will test the delay across the service.
B.
It will test the delay across the service.
Answers
C.
It will test the SDPs of a service in both directions.
C.
It will test the SDPs of a service in both directions.
Answers
D.
It will test the round-trip connectivity of the service.
D.
It will test the round-trip connectivity of the service.
Answers
Suggested answer: A

Question 218

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Which of the following best describes the flooding of traffic on a PE when unknown traffic is received on a SAP of a VPLS?

A.
Traffic is flooded to all SAPs in the service.
A.
Traffic is flooded to all SAPs in the service.
Answers
B.
Traffic is flooded to all SAPs and spoke SDPs in the service.
B.
Traffic is flooded to all SAPs and spoke SDPs in the service.
Answers
C.
Traffic is flooded to all SAPs and mesh SDPs in the service.
C.
Traffic is flooded to all SAPs and mesh SDPs in the service.
Answers
D.
Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service.
D.
Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service.
Answers
E.
The traffic is not flooded.
E.
The traffic is not flooded.
Answers
Suggested answer: D

Question 219

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Click the exhibit.

Both clips of output are from router R4. The show service command indicates that an SDP is down. What might be the cause?

A.
The mesh SDP on router R4 has been shutdown.
A.
The mesh SDP on router R4 has been shutdown.
Answers
B.
The mesh SDP on 10.10.10.1 has been shutdown.
B.
The mesh SDP on 10.10.10.1 has been shutdown.
Answers
C.
The service MTU on 10.10.10.1 has been set to a different value.
C.
The service MTU on 10.10.10.1 has been set to a different value.
Answers
D.
The IngLbl and EgrLbl that router R4 has for 10.10.10.1 are identical.
D.
The IngLbl and EgrLbl that router R4 has for 10.10.10.1 are identical.
Answers
Suggested answer: C

Question 220

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How many service labels must be signaled to bring up a fully-meshed VPLS among five PE routers?

A.
1
A.
1
Answers
B.
5
B.
5
Answers
C.
10
C.
10
Answers
D.
20
D.
20
Answers
Suggested answer: D
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