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Nokia 4A0-104 Practice Test - Questions Answers, Page 10

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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 91

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Fragmentation is supported on a Layer 2 service

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

Question 92

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Which of the following commands is used in an RSVP signaled MPLS tunnel to validate the path MTU based on signaling across the LSP?

A.
Path MTU is always calculated from the MTU of the egress network port on the head end PE.
A.
Path MTU is always calculated from the MTU of the egress network port on the head end PE.
Answers
B.
oam sdp-mtu
B.
oam sdp-mtu
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C.
adspec
C.
adspec
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D.
cspf
D.
cspf
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Suggested answer: C

Question 93

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Which of the following best describes how the path-mlu is chosen for an SDP?

A.
An SDP does not have a path-mtu
A.
An SDP does not have a path-mtu
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B.
The path-mtu must be set by the administrator.
B.
The path-mtu must be set by the administrator.
Answers
C.
By default, the path-mtu is calculated automatically from the network port MTU of the PE router.
C.
By default, the path-mtu is calculated automatically from the network port MTU of the PE router.
Answers
D.
The path-mtu is calculated based on the service MTU of the service using the SDP.
D.
The path-mtu is calculated based on the service MTU of the service using the SDP.
Answers
E.
The path-mtu is signaled between the PE endpoints when the service is established.
E.
The path-mtu is signaled between the PE endpoints when the service is established.
Answers
Suggested answer: C

Question 94

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Click on the exhibit button below.

Assuming the customer only needs to monitor traffic from PE3 to the customer site, what two items are missing in the configuration of PE5, the Nokia 7750 Service Router in the Head Office? (Assume that the IP/MPLS network structure between the local and remote PEs is in place.)

A.
The mirror destination configuration on PE5 is missing the 'remote-source' command.
A.
The mirror destination configuration on PE5 is missing the 'remote-source' command.
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B.
There needs to be a mirror source configuration on PE5 with the 'remote-source' command.
B.
There needs to be a mirror source configuration on PE5 with the 'remote-source' command.
Answers
C.
This is not possible since the protocol analyzer is located at the Central Office. It needs to be at the customer site.
C.
This is not possible since the protocol analyzer is located at the Central Office. It needs to be at the customer site.
Answers
D.
There needs to be a configuration command to put sap 1/1/3 on the mirror destination of PE5.
D.
There needs to be a configuration command to put sap 1/1/3 on the mirror destination of PE5.
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E.
There needs to be a configuration command to put sap 1/1/3 on the mirror source of PE5
E.
There needs to be a configuration command to put sap 1/1/3 on the mirror source of PE5
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Suggested answer: A, D

Question 95

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Which of the two following statements are TRUE?

A.
When an Nokia Service Router is rebooted, the mirror destination and mirror source must be re-configured
A.
When an Nokia Service Router is rebooted, the mirror destination and mirror source must be re-configured
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B.
A mirror destination is shut down by default on an Nokia Service Router.
B.
A mirror destination is shut down by default on an Nokia Service Router.
Answers
C.
A mirror source is shut down by default on an Nokia Service Router.
C.
A mirror source is shut down by default on an Nokia Service Router.
Answers
D.
When an Nokia Service Router is rebooted, the mirror destination must be re-configured.
D.
When an Nokia Service Router is rebooted, the mirror destination must be re-configured.
Answers
E.
When an Nokia Service Router is rebooted the mirror source must be re-configured.
E.
When an Nokia Service Router is rebooted the mirror source must be re-configured.
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Suggested answer: B, E

Question 96

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Which of the following statements is FALSE about the VPN label?

A.
The VPN label is signaled between PE devices using MP-BGP.
A.
The VPN label is signaled between PE devices using MP-BGP.
Answers
B.
The VPN label is swapped at each P router as a packet crosses the service provider network.
B.
The VPN label is swapped at each P router as a packet crosses the service provider network.
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C.
The VPN label is also known as the inner label or service label.
C.
The VPN label is also known as the inner label or service label.
Answers
D.
The VPN label indicates which VPRN a packet should be sent to once it reaches the egress PE.
D.
The VPN label indicates which VPRN a packet should be sent to once it reaches the egress PE.
Answers
E.
All of the above
E.
All of the above
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F.
Only C and D.
F.
Only C and D.
Answers
Suggested answer: B

Question 97

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Which of the following statements is TRUE concerning route distinguishes on the 7750 SR?

A.
Route distinguishes are 12 bytes in length
A.
Route distinguishes are 12 bytes in length
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B.
Route distinguishes are appended to IPv4 prefixes to form 16 byte VPN-IFV1 prefixes.
B.
Route distinguishes are appended to IPv4 prefixes to form 16 byte VPN-IFV1 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 must be configured with the proper route distinguishes for the VPRN they are associated to
D.
CE routes must be configured with the proper route distinguishes for the VPRN they are associated to
Answers
E.
All of the above statements are true.
E.
All of the above statements are true.
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F.
All of the above statements are false.
F.
All of the above statements are false.
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Suggested answer: F

Question 98

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Which of the following statements is TRUE regarding a VRF?

A.
A VRF contains a single VPRN routes.
A.
A VRF contains a single VPRN routes.
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B.
Every VRF in a PE is associated with one or more route target attributes.
B.
Every VRF in a PE is associated with one or more route target attributes.
Answers
C.
Each VPRN needs a separate VRF in each PE router.
C.
Each VPRN needs a separate VRF in each PE router.
Answers
D.
On the 7750 SR, by default, there is a unique one-to-one association between a VPN label and a VRF
D.
On the 7750 SR, by default, there is a unique one-to-one association between a VPN label and a VRF
Answers
E.
All of the above statements are true.
E.
All of the above statements are true.
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F.
All of the above statements are false.
F.
All of the above statements are false.
Answers
Suggested answer: E

Question 99

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Which of the following statements is TRUE concerning the advertisement of VRF routes on a 7750 SR?

A.
By default, a 7750 SR does not advertise all routes in the VRF to a CE router.
A.
By default, a 7750 SR does not advertise all routes in the VRF to a CE router.
Answers
B.
The default 7750 SR behavior describes all routes in a VRF that are advertised to other PE routers.
B.
The default 7750 SR behavior describes all routes in a VRF that are advertised to other PE routers.
Answers
C.
By default, a 7750 SR does not advertise all routes in the VRF to other PE routers.
C.
By default, a 7750 SR does not advertise all routes in the VRF to other PE routers.
Answers
D.
By default, a 7750 SR advertises all routes in the VRF to a CE router.
D.
By default, a 7750 SR advertises all routes in the VRF to a CE router.
Answers
Suggested answer: A, B

Question 100

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Which of the following statements is FALSE regarding 6VPE?

A.
Multiple MP-BGP sessions are required to carry VPN-IPv4 and VPN-IPv6 routes.
A.
Multiple MP-BGP sessions are required to carry VPN-IPv4 and VPN-IPv6 routes.
Answers
B.
PE routers must support both IPv4 and IPv6 addresses; customer routers can use either one
B.
PE routers must support both IPv4 and IPv6 addresses; customer routers can use either one
Answers
C.
In 6VPE, MP-BGP is used to advertise IPv6 prefixes and the associated VPRN label.
C.
In 6VPE, MP-BGP is used to advertise IPv6 prefixes and the associated VPRN label.
Answers
D.
In 6VPE, the provider core routers are IPv6-unaware.
D.
In 6VPE, the provider core routers are IPv6-unaware.
Answers
E.
All of the above statements are true.
E.
All of the above statements are true.
Answers
F.
All of the above statements are false.
F.
All of the above statements are false.
Answers
Suggested answer: A
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