Nokia Virtual Private Routed Networks Practice Questions & Answers • ExamPrepare

20 questions in this view

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Question 1

Which of the following statements about the Route Target is TRUE?

The Route Target is added to an IPv4 route to create the VPN-IPv4 route.
The Route Target is an extended community string that identifies VPN membership.
A route can only have one Route Target.
The Route Target is a 64-bit value added to customer prefixes to make them unique.

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Question 2

Consider the exhibit. A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). Which of the following statements about route distribution is FALSE?

The VRF 10 on CSC-PE1 includes PE1 and PE2's system addresses.
The global routing table of PE1 includes PE2's system address.
The VRF 10 on CSC-PE2 includes CE1's address.
The global routing table of PE2 includes CE1's address.

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Question 3

Consider the exhibit. A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). If CE1 sends an IP packet to 192.60.100.1, which of the following statements is FALSE?

PE1 pushes an LDP transport label.
CSC-CE1 pops the LDP label and pushes a BGP label.
CSC-PE1 pops the BGP label and pushes two labels: a VPN label and an MPLS transport label.
CSC-PE2 pops the MPLS label and BGP label.

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Question 4

Consider the exhibit. A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. If CE1 sends an IP packet to 192.168.200.1, which of the following statements is FALSE?

PE1 pushes a VPN label, a BGP label, and an LDP transport label on the IP packet.
CSC-CE1 pops the LDP label and swaps the BGP label.
CSC-PE1 pops the BGP label, swaps the VPN label, and pushes an LDP transport label.
CSC-PE2 pops the LDP label and the topmost VPN label, and pushes a BGP label.

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Question 5

Consider the exhibit. A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. Which route is present in PE1's global routing table?

192.168.10.1
192.168.20.1
10.10.10.1
10.10.10.6

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Question 6

Which of the following statements about Carrier Supporting Carrier (CSC) VPRN is FALSE?

CSC eliminates the need for customer carriers to build and maintain their own MPLS backbone.
CSC is also known as carrier's carrier or carrier serving carrier.
The customer carrier provides VPN or Internet services to its end-customers.
A CSC VPRN is configured on the customer carrier's CSC-CE routers.

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