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Nokia 4A0-104 Practice Test - Questions Answers, Page 26

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Click the exhibit.

The CEs use BGP and export policies to advertise their local prefixes with the VPRN on their PEs. If the VPRN is functioning properly, which of the following commands will succeed when performed on router R1?

A.
'ping 192.168.20.1'
A.
'ping 192.168.20.1'
Answers
B.
'oam vprn-ping 100 source 192.168.10.1 destination 192.168.20.1'
B.
'oam vprn-ping 100 source 192.168.10.1 destination 192.168.20.1'
Answers
C.
'oam vprn-ping 100 source 192.168.20.1 destination 192.168.10.1'
C.
'oam vprn-ping 100 source 192.168.20.1 destination 192.168.10.1'
Answers
D.
'ping 10.10.10.6' (router R6's system IP)
D.
'ping 10.10.10.6' (router R6's system IP)
Answers
Suggested answer: B

Which of the following about VPN labels is FALSE?

A.
They are signaled between PE devices using MP-BGP.
A.
They are signaled between PE devices using MP-BGP.
Answers
B.
They are swapped at each P router as a packet crosses the service provider network.
B.
They are swapped at each P router as a packet crosses the service provider network.
Answers
C.
They are also known as the inner label or service label.
C.
They are also known as the inner label or service label.
Answers
D.
They indicate to the egress PE the VPRN to which a packet belongs.
D.
They indicate to the egress PE the VPRN to which a packet belongs.
Answers
Suggested answer: B

Click the exhibit.

Based on this output from PE router R1, how many other PEs are participating in the VPRN?

A.
0
A.
0
Answers
B.
1
B.
1
Answers
C.
2
C.
2
Answers
D.
3
D.
3
Answers
Suggested answer: B

On which object is ADSPEC enabled?

A.
SDP
A.
SDP
Answers
B.
Network port
B.
Network port
Answers
C.
LSP
C.
LSP
Answers
D.
Service
D.
Service
Answers
E.
RSVP
E.
RSVP
Answers
Suggested answer: C

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

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

A VPLS receives a frame with the single VLAN tag 35 on the Q-in-Q SAP 1/1/1:35.*. Which of the following describes default Nokia 7750 SR behavior?

A.
The frame is dropped.
A.
The frame is dropped.
Answers
B.
The VLAN tag is removed, and the frame is transported over the network.
B.
The VLAN tag is removed, and the frame is transported over the network.
Answers
C.
The VLAN tag is kept, and the frame is transported over the network.
C.
The VLAN tag is kept, and the frame is transported over the network.
Answers
D.
The VLAN tag is kept, a VLAN of 0 is added, and the frame is transported over the network.
D.
The VLAN tag is kept, a VLAN of 0 is added, and the frame is transported over the network.
Answers
Suggested answer: B

Which of the following about the Isp-ping command on the Nokia 7750 SR is FALSE?

A.
An echo request is sent based on the LSP's label stack.
A.
An echo request is sent based on the LSP's label stack.
Answers
B.
Echo reply packets may not take the same path as the LSP.
B.
Echo reply packets may not take the same path as the LSP.
Answers
C.
The IP destination address is used to initiate echo requests,
C.
The IP destination address is used to initiate echo requests,
Answers
D.
The test fails if the LSP is not operationally up.
D.
The test fails if the LSP is not operationally up.
Answers
Suggested answer: C

Click the exhibit.

The operator at PE1 wants to analyze the traffic between CE4 and PE2. On an Nokia 7750 SR, which of the following is required as part of the configuration?

A.
Both PE1 and PE2 need a mirror source.
A.
Both PE1 and PE2 need a mirror source.
Answers
B.
PE2 needs a mirror source with the remote source specified.
B.
PE2 needs a mirror source with the remote source specified.
Answers
C.
PE1 needs a mirror source with the remote source specified.
C.
PE1 needs a mirror source with the remote source specified.
Answers
D.
Both PE1 and PE2 need a mirror destination.
D.
Both PE1 and PE2 need a mirror destination.
Answers
E.
PE2 needs a mirror destination that specifies a SAP.
E.
PE2 needs a mirror destination that specifies a SAP.
Answers
Suggested answer: D

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

A.
Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.
A.
Route distinguishes are appended to IPv4 prefixes to form IPv6 prefixes.
Answers
B.
CE routers use a route distinguisher to indicate which VPRN they are associated to.
B.
CE routers use a route distinguisher to indicate which VPRN they are associated to.
Answers
C.
A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.
C.
A route distinguisher combined with an IPv4 prefix produces a VPN-IPv4 prefix.
Answers
D.
Route distinguishes are used to determine which routes a VPRN should import.
D.
Route distinguishes are used to determine which routes a VPRN should import.
Answers
Suggested answer: C

Which of the following about VPRNs is TRUE?

A.
Customers must use the same routing protocol as the service provider.
A.
Customers must use the same routing protocol as the service provider.
Answers
B.
Customers belonging to the same VPRN service must use the same subnet.
B.
Customers belonging to the same VPRN service must use the same subnet.
Answers
C.
Service providers only need to perform configurations on the PEs to add additional VPRNs.
C.
Service providers only need to perform configurations on the PEs to add additional VPRNs.
Answers
D.
For each VPRN, only one customer can be connected at each PE.
D.
For each VPRN, only one customer can be connected at each PE.
Answers
Suggested answer: C
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