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Nokia 4A0-106 - Nokia Virtual Private Routed Networks

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Total 214 questions

Which of the following about the configuration of BGP Site of Origin (SoO) is TRUE?

A.

Each PE must implement a policy to apply a unique SoO attribute to the set of routes received from each customer site.

B.

A different BGP extended community is used on each PE that connects to a single site.

C.

An import policy on the PE rejects a route if the attached SoO matches the configured value.

D.

Import and export policies are applied on the PEs under the global BGP context.

Click the exhibit.

Which VPRN type produces the output shown on router R1?

A.

A full mesh VPRN

B.

APE hub and spoke VPRN

C.

An extranet VPRN

D.

ACE hub and spoke VPRN

A provider core consists of 4 PE and 2 P routers. A fully meshed VPRN service is configured on all 4 PEs, and MPLS LSP-based SDPs are used for the service configuration. How many SDPs must be bound to the VPRN service on each PE?

A.

Two SDPs must be bound to the VPRN service on each PE.

B.

Three SDPs must be bound to the VPRN service on each PE.

C.

Five SDPs must be bound to the VPRN service on each PE.

D.

Twelve SDPs must be bound to the VPRN service on each PE.

Which of the following about scaling techniques for route reflectors is FALSE?

A.

Logical Partitioning of route reflectors works best when PEs are partitioned to support different VPRNs.

B.

Logical Partitioning of route reflectors is simple and scalable, but requires more hardware.

C.

Filtering at route reflectors requires either inbound filtering at the route reflector or outbound filtering at the PE routers.

D.

Filtering at route reflectors allows the route reflector to filter routes received from PEs and only accept routes with a certain route distinguisher.

Which of the following about the Route Target is TRUE?

A.

The Route Target is added to an IPv4 route to create the VPN-IPv4 route.

B.

The Route Target is an extended community string that identifies VPN membership.

C.

A route can have only one Route Target.

D.

The Route Target is a 64-bit value added to customer prefixes to make them unique.

A service provider core consists of 6 PE and 4 P routers. Assuming route reflection is not used, how many internal BGP sessions are required in the service provider network for a correct operation of VPRN services?

A.

1

B.

5

C.

15

D.

30

E.

45

VPN-IPv4 addressing is made unique by defining an address structure consisting of:

A.

A 64-bit Route Target followed by a 32-bit IPv4 address.

B.

A 64-bit Route Distinguisher followed by a 32-bit IPv4 address.

C.

A 32-bit Route Distinguisher followed by a 32-bit IPv4 address.

D.

A 32-bit Route Target followed by a 32-bit IPv4 address.

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?

A.

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

B.

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

C.

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

D.

Configuring an IES service on PEL

Click the exhibit.

The headquarter sites of VPRN 10 and VPRN 20 ate part of an extranet VPRN. Which of the following communities are included in the export policy applied to VPRN 10 on router R1?

A.

"Extranet-VPN-Blue" and "Extranet-VPN-Green"

B.

"Blue-Only"

C.

"Extranet-VPN-Blue"

D.

"Blue-Green"

Click the exhibit.

When configuring the double lookup functionality, which configuration forces the global routing table to be consulted for any packet matching the VPRN default route?

A.

A

B.

B

C.

C

D.

D