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Nokia 4A0-104 Practice Test - Questions Answers, Page 17

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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 161

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Which of the following about SDPs is FALSE?

A.
Spoke SDPs prevent loops in a VPLS.
A.
Spoke SDPs prevent loops in a VPLS.
Answers
B.
Mesh SDPs and spoke SDPs can be used in the same VPLS.
B.
Mesh SDPs and spoke SDPs can be used in the same VPLS.
Answers
C.
A spoke SDP does not require the routers at both ends to be directly connected.
C.
A spoke SDP does not require the routers at both ends to be directly connected.
Answers
D.
A mesh SDP is identical to a spoke SDP except for its flooding behavior.
D.
A mesh SDP is identical to a spoke SDP except for its flooding behavior.
Answers
Suggested answer: A

Question 162

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By default, what does an Nokia 7750 SR do to support VPLS services for different customers?

A.
Dedicates a separate port for each customer.
A.
Dedicates a separate port for each customer.
Answers
B.
Performs ARP look-ups for each service.
B.
Performs ARP look-ups for each service.
Answers
C.
Maintains a different IP routing table for each service.
C.
Maintains a different IP routing table for each service.
Answers
D.
Maintains a different MAC Forwarding Database for each service.
D.
Maintains a different MAC Forwarding Database for each service.
Answers
Suggested answer: D

Question 163

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Consider a network that has four PE routers. If a customer wants a VPLS that has sites on only three of the PEs, how many mesh SDPs need to be configured for this service?

A.
3
A.
3
Answers
B.
4
B.
4
Answers
C.
6
C.
6
Answers
D.
12
D.
12
Answers
Suggested answer: C

Question 164

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Which of the following about an E-pipe terminating on a VPLS is FALSE?

A.
The VC-IDs used between the E-pipe and VPLS must match.
A.
The VC-IDs used between the E-pipe and VPLS must match.
Answers
B.
The E-pipe must maintain a MAC FDB in order to connect to the VPLS.
B.
The E-pipe must maintain a MAC FDB in order to connect to the VPLS.
Answers
C.
The service ID of the E-pipe can be different from that of the VPLS.
C.
The service ID of the E-pipe can be different from that of the VPLS.
Answers
D.
The service MTU of the VPLS and E-pipe must match.
D.
The service MTU of the VPLS and E-pipe must match.
Answers
Suggested answer: B

Question 165

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Which of the following best describes how a MAC FDB is populated in 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.
The router reads the destination MAC address of frames passing through the service.
B.
The router reads the destination MAC address of frames passing through the service.
Answers
C.
The router reads the source MAC address of frames passing through the service.
C.
The router reads the source MAC address of frames passing through the service.
Answers
D.
The router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations.
D.
The router uses reverse ARP (RARP) to resolve the MAC addresses for unknown destinations.
Answers
E.
The router is programmed with MAC addresses by the network administrator.
E.
The router is programmed with MAC addresses by the network administrator.
Answers
Suggested answer: C

Question 166

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Click the exhibit.

PE1 and PE2 are Nokia 7750 SRs. What needs to be added to PE1's configuration to mirror traffic between PE2 and the customer site?

A.
A 'remote-source' needs to be added to the mirror destination on PEL
A.
A 'remote-source' needs to be added to the mirror destination on PEL
Answers
B.
A mirror source needs to be added to PE1 with a 'remote-source'.
B.
A mirror source needs to be added to PE1 with a 'remote-source'.
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.
A mirror source with SAP 1/1/2 needs to be added on PEL
D.
A mirror source with SAP 1/1/2 needs to be added on PEL
Answers
Suggested answer: A

Question 167

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Click the exhibit.

E-pipe 100 is using an SDP with an LSP that uses the path shown (PE1-PE2-PE3-PE4). Based on the OAM command output, which of the following is FALSE?

A.
The E-pipe can support a maximum MTU size of 1578.
A.
The E-pipe can support a maximum MTU size of 1578.
Answers
B.
The ports of the link PE2-PE3 have an MTU of 1578.
B.
The ports of the link PE2-PE3 have an MTU of 1578.
Answers
C.
An svc-ping of the E-pipe will succeed.
C.
An svc-ping of the E-pipe will succeed.
Answers
D.
If the step size was 2, the maximum response size would be the same.
D.
If the step size was 2, the maximum response size would be the same.
Answers
Suggested answer: A

Question 168

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Which one of the following items CANNOT be used as a mirror source on an Nokia 7750 SR?

A.
IP filter
A.
IP filter
Answers
B.
MAC filter
B.
MAC filter
Answers
C.
Egress label
C.
Egress label
Answers
D.
Ingress label
D.
Ingress label
Answers
Suggested answer: C

Question 169

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Which of the following about the Nokia 7750 SR's sdp-ping utility is FALSE?

A.
It tests uni-directional or round-trip in-band connectivity.
A.
It tests uni-directional or round-trip in-band connectivity.
Answers
B.
It tests the reachability of hosts that are using an SDP.
B.
It tests the reachability of hosts that are using an SDP.
Answers
C.
It tests the reachability of the far-end IP address of an SDP through its tunnel.
C.
It tests the reachability of the far-end IP address of an SDP through its tunnel.
Answers
D.
It can be used by specifying only an SDP ID.
D.
It can be used by specifying only an SDP ID.
Answers
Suggested answer: B

Question 170

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What is the minimum Ethernet physical network MTU required for a Layer 2 service on an MPLS encapsulated SDP with a service MTU of 1500?

A.
1500
A.
1500
Answers
B.
1508
B.
1508
Answers
C.
1514
C.
1514
Answers
D.
1522
D.
1522
Answers
Suggested answer: D
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