4A0-106 Exam Dumps - Nokia Virtual Private Routed Networks

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Question # 25

Based on the VPRN BGP decision process, which of the following routes is selected first if the command "PE1>config>service>vprn> bgp best-path-selection as-path-ignore" is executed?

The route learned from an eBGP peer.

The route with the lowest Origin.

The route with the lowest originator ID or BGP Identifier.

The route with the shortest AS path.

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Question # 26

Click the exhibit.

For the Inter-AS model B VPRN, which of the route updates for prefix 192.168.1.0/27 is incorrect?

The route update sent from PE1.

The route update sent from PE2.

The route update sent from ASBR1.

The route update sent from ASBR2.

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Question # 27

Which of the following about a full mesh VPRN design is FALSE?

Each customer site has a logically direct route to every other customer site.

It provides optimal routing between all sites.

It allows access between all CE devices and all sites participating in the same VRF.

It requires a full BGP mesh in the provider core.

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Question # 28

Based on the VPRN BGP decision process, which of the following routes is selected first?

The route with the shortest AS path.

The route with the lowest route or tunnel table cost to the NEXT_HOP.

The route with the highest local preference.

The route with the lowest originator ID or BGP identifier.

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Question # 29

Click 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 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 and VPN labels and pushes a BGP label.

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Question # 30

Which of the following about the configuration of an inter-AS model C VPRN is FALSE?

MP-iBGP sessions must be configured between the PE routers in each AS.

LDP must be configured in each AS.

MP-eBGP sessions must be configured between the ASBRs.

The ASBRs must be configured with "enable-inter-as-vpn".

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Question # 31

For a Carrier Supporting Carrier (CSC) VPRN where the customer carrier is an ISP that provides Internet connectivity to its end-customers, which of the following is FALSE?

Customer carrier PE routers residing in different sites must run iBGP between them to exchange customers' routes.

MPLS can be used in the customer carrier network to improve scalability.

The customer carrier network can be a pure IP network.

A CSC VPRN is configured on the CSC-CE to forward data packets to the network provider.

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Question # 32

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Nokia 7750 SR for a customer carrier who is an Internet Service Provider (ISP). Which of the following configuration steps is NOT required?

Configuring iBGP sessions between PEs residing in different customer carrier sites.

Configuring a policy on each CSC-CE to advertise local PE addresses to the network provider.

Configuring a CSC VPRN on each CSC-PE with a SAP interface towards the attached CSC-CE.

Configuring an IES service on PEL

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