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Nokia 4A0-104 Practice Test - Questions Answers, Page 18

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

Question 171

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On an Nokia 7750 SR, the OAM command 'svc-ping' can be used with options bcal-sdp' and 'remote-sdp'. Which of the following is TRUE?

A.
iocal-sdp' and 'remote-sdp' indicate that all services using these SDPs are pinged.
A.
iocal-sdp' and 'remote-sdp' indicate that all services using these SDPs are pinged.
Answers
B.
'Iocal-sdp' and remote-sdp' indicate that pings are initiated from both local and remote routers.
B.
'Iocal-sdp' and remote-sdp' indicate that pings are initiated from both local and remote routers.
Answers
C.
Both 'Iocal-sdp' and 'remote-sdp' take parameters to specify which SDPs are used for the test.
C.
Both 'Iocal-sdp' and 'remote-sdp' take parameters to specify which SDPs are used for the test.
Answers
D.
'Iocal-sdp' indicates that the ping is sent in-band, and remote-sdp' indicates the return ping is in-band.
D.
'Iocal-sdp' indicates that the ping is sent in-band, and remote-sdp' indicates the return ping is in-band.
Answers
Suggested answer: D

Question 172

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Which of the following about the VPRN data plane is TRUE?

A.
A packet receives a service label and a transport label at the ingress PE.
A.
A packet receives a service label and a transport label at the ingress PE.
Answers
B.
A packet has its service label swapped at each P router.
B.
A packet has its service label swapped at each P router.
Answers
C.
The egress PE pops the service label, and the transport label is forwarded.
C.
The egress PE pops the service label, and the transport label is forwarded.
Answers
D.
The service label is popped by the remote CE.
D.
The service label is popped by the remote CE.
Answers
Suggested answer: A

Question 173

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Which of the following about route distinguishes on the Nokia 7750 SR is TRUE?

A.
Route distinguishes are used to ensure that VPRN IP prefixes are globally unique.
A.
Route distinguishes are used to ensure that VPRN IP prefixes are globally unique.
Answers
B.
Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.
B.
Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.
Answers
C.
Route distinguishes are used to determine which routes a VPRN should import.
C.
Route distinguishes are used to determine which routes a VPRN should import.
Answers
D.
CE routes use a route distinguisher to indicate which VPRN they are associated to.
D.
CE routes use a route distinguisher to indicate which VPRN they are associated to.
Answers
Suggested answer: A

Question 174

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Click the exhibit.

Based on the output from PE router R1 about VPRN 100, by which protocol was 192.168.10.0/24 learned?

A.
BGP
A.
BGP
Answers
B.
MP-BGP
B.
MP-BGP
Answers
C.
LDP
C.
LDP
Answers
D.
MPLS
D.
MPLS
Answers
Suggested answer: A

Explanation:

Topic 4, Volume D

Question 175

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Which of the following about VPRN route targets is FALSE?

A.
They are used to identify the VRF table for a prefix at the receiving PE.
A.
They are used to identify the VRF table for a prefix at the receiving PE.
Answers
B.
They are used by VPRNs to control the distribution of VPN routing information.
B.
They are used by VPRNs to control the distribution of VPN routing information.
Answers
C.
They are distributed to all PEs and CEs that are part of the VPRN.
C.
They are distributed to all PEs and CEs that are part of the VPRN.
Answers
D.
They are distributed to PEs to identify the VRF table that a VPN-IPv4 prefix is associated with.
D.
They are distributed to PEs to identify the VRF table that a VPN-IPv4 prefix is associated with.
Answers
Suggested answer: C

Question 176

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On an Nokia 7750 SR, which of the following about IES interfaces is FALSE?

A.
An IES can only have one interface.
A.
An IES can only have one interface.
Answers
B.
An IES interface can have an SDP or a SAP.
B.
An IES interface can have an SDP or a SAP.
Answers
C.
An IES can perform fragmentation.
C.
An IES can perform fragmentation.
Answers
D.
An IES must have an IP address assigned to it.
D.
An IES must have an IP address assigned to it.
Answers
Suggested answer: A

Question 177

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Click the exhibit.

Part of a 6VPE deployment is shown in this exhibit. Which of the following is the correct configuration and context on PE1 for a BGP peering session with CE1?

A.
Option A
A.
Option A
Answers
B.
Option B
B.
Option B
Answers
C.
Option C
C.
Option C
Answers
D.
Option D
D.
Option D
Answers
Suggested answer: A

Question 178

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Click the exhibit.

This output is from a router that is part of a 6VPE deployment using a VPRN. Which type of router would this configuration be found on?

A.
A CE router.
A.
A CE router.
Answers
B.
A P router.
B.
A P router.
Answers
C.
A PE router.
C.
A PE router.
Answers
D.
Both P and PE routers.
D.
Both P and PE routers.
Answers
Suggested answer: A

Question 179

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On an Nokia 7750 SR, why must the MTU be explicitly set when configuring an IES spoke termination to a VPLS?

A.
By default, a VPLS signals an MTU based on the network port.
A.
By default, a VPLS signals an MTU based on the network port.
Answers
B.
By default, an IES sets its ip-mtu to the VC MTU of the VPLS.
B.
By default, an IES sets its ip-mtu to the VC MTU of the VPLS.
Answers
C.
By default, an IES uses an MTU value based on its SAP.
C.
By default, an IES uses an MTU value based on its SAP.
Answers
D.
By default, an IES uses an MTU based on the network port.
D.
By default, an IES uses an MTU based on the network port.
Answers
Suggested answer: D

Question 180

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Click the exhibit.

Assuming CE1 exports its system address using BGP, is a routing policy required on PE1 to advertise CE1's system address to PE2?

A.
Yes, A routing policy is required to advertise routes between PE routers in a VPRN regardless of the CE-PE routing.
A.
Yes, A routing policy is required to advertise routes between PE routers in a VPRN regardless of the CE-PE routing.
Answers
B.
Yes, A routing policy is required in this case because BGP is used as the PE-CE routing protocol.
B.
Yes, A routing policy is required in this case because BGP is used as the PE-CE routing protocol.
Answers
C.
No, a routing policy is not required. By default, the Nokia 7750 SR will advertise all VPRN routes between PE routers.
C.
No, a routing policy is not required. By default, the Nokia 7750 SR will advertise all VPRN routes between PE routers.
Answers
D.
No, a routing policy is not required on PE1, but an import policy is required on PE2.
D.
No, a routing policy is not required on PE1, but an import policy is required on PE2.
Answers
Suggested answer: C
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