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Nokia 4A0-104 Practice Test - Questions Answers, Page 6

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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 51

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What happens when a packet without a VLAN tag is received on a SAP provisioned with null encapsulation while an SDP vc-type is provisioned as vlan?

A.
The frame is dropped.
A.
The frame is dropped.
Answers
B.
The service ID is added as the VLAN tag.
B.
The service ID is added as the VLAN tag.
Answers
C.
A VLAN tag of 0 is added as the provider VLAN tag
C.
A VLAN tag of 0 is added as the provider VLAN tag
Answers
D.
The frame is forwarded with no VLAN tag
D.
The frame is forwarded with no VLAN tag
Answers
Suggested answer: C

Question 52

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What distinguishes a VPLS service from a VPWS service?

A.
VPLS supports point-to-point connections.
A.
VPLS supports point-to-point connections.
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B.
VPLS supports multipoint-to-multipoint connections
B.
VPLS supports multipoint-to-multipoint connections
Answers
C.
VPLS supports a distributed service
C.
VPLS supports a distributed service
Answers
D.
VPLS supports a local service on a single node.
D.
VPLS supports a local service on a single node.
Answers
Suggested answer: B

Question 53

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

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.
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E.
The traffic is not flooded.
E.
The traffic is not flooded.
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Suggested answer: D

Question 54

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Which of the following represents a SAP on a physical port configured with Q-in-Q encapsulation?

A.
sap 1/1/1
A.
sap 1/1/1
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B.
sap 1/1/1:5
B.
sap 1/1/1:5
Answers
C.
sap 1/1/1:5:5
C.
sap 1/1/1:5:5
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D.
sap 1/1/1:10.100
D.
sap 1/1/1:10.100
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Suggested answer: D

Question 55

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In a VPLS service, the mesh-sdp vc-id is identical to the service id by default.

A.
TRUE
A.
TRUE
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B.
FALSE
B.
FALSE
Answers
Suggested answer: A

Question 56

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How many SAPs can be configured on a port configured with NULL encapsulation?

A.
1
A.
1
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B.
4096
B.
4096
Answers
C.
None. This encapsulation is not supported.
C.
None. This encapsulation is not supported.
Answers
D.
The number is limited only by the capacity of the router
D.
The number is limited only by the capacity of the router
Answers
Suggested answer: A

Question 57

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Customer 'A' has sites on 3 different Nokia PE routers. The routers are connected to each other through an IP/MPLS network in a full mesh fashion. Customer 'A' requires a VPLS service. Which of the following statements are TRUE? (Choose2)

A.
Each router requires 1 VPLS service.
A.
Each router requires 1 VPLS service.
Answers
B.
Each router requires 2 VPLS services.
B.
Each router requires 2 VPLS services.
Answers
C.
Each router requires 1 SDP with 2 LSPs, one to each of the other 2 routers.
C.
Each router requires 1 SDP with 2 LSPs, one to each of the other 2 routers.
Answers
D.
Each router requires 2 SDPs.
D.
Each router requires 2 SDPs.
Answers
E.
Each router requires 3 SDPs
E.
Each router requires 3 SDPs
Answers
Suggested answer: A, D

Question 58

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Which of the following statements best describes the flooding of traffic on a PE when traffic is received on a spoke SDP?

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 59

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What does a PE do when a frame is received in a VPLS service with an unknown destination address by default?

A.
Drop the frame.
A.
Drop the frame.
Answers
B.
Flood the frame to all PEs participating in the service.
B.
Flood the frame to all PEs participating in the service.
Answers
C.
Send a destination unreachable message back to the originating host.
C.
Send a destination unreachable message back to the originating host.
Answers
D.
Store the frame until the destination is known
D.
Store the frame until the destination is known
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Suggested answer: B

Question 60

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What is the default vc-type for an SDP on the Nokia 7750 SR?

A.
vc-type null
A.
vc-type null
Answers
B.
vc-type ether
B.
vc-type ether
Answers
C.
vc-type vlan
C.
vc-type vlan
Answers
D.
vc-type none
D.
vc-type none
Answers
Suggested answer: B
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