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Nokia 4A0-106 - Nokia Virtual Private Routed Networks

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Total 214 questions

In a Carrier Supporting Carrier (CSC) VPRN, which of the following is NOT a benefit to the network provider?

A.

The solution scales as the number of VPNs offered by the customer carriers increases.

B.

The solution scales as the number of end-customer routes increases.

C.

There is no need to manage end-customer services.

D.

The solution scales as the number of serviced customer carriers increases.

Click the exhibit.

Internet access is provided to the Red VPRN (ID 10) via an Internet VRF (ID 500). For this configuration, which communities must be imported on the Red and Internet VRFs?

A.

Red VRF imports only "Internet"

Internet VRF imports only "Red-Only"

B.

Red VRF imports "Internet" and "Red-Only"

Internet VRF imports only "Red-Only"

C.

Red VRF imports only "Red-Only"

Internet VRF imports "Red-Only" and "Internet"

D.

Red VRF imports "Internet" and "Red-Only"

Internet VRF imports only "Internet"

Which of the following best describes the goal of an Extranet VPRN?

A.

Allow routes to be exchanged between all or selected sites of one VPRN and all or selected sites of a second VPRN

B.

Allow the service provider to provide multiple VPRNs with Internet access

C.

Reduce the number of VPRN tunnels required

D.

Simplify the administration of multiple VPRNs

E.

Force all traffic in multiple VPRNs to pass through a single device

Complete the following statement. In a VPRN, the label signaled by RSVP-TE is used to ______________.

A.

Identify the egress PE in the MPLS domain

B.

Signal the egress VPRN ID

C.

Identify the ingress PE in the MPLS domain

D.

Transport route updates between PEs

You are configuring spoke SDP termination of a VPLS service on a VPRN interface on an Nokia 7750 SR. The spoke SDP is running over a NULL encapsulated network port. The best practice is to set the VPRN interface p-mtu equal to what value over a NULL encapsulated network port.

A.

The SDP path-MTU minus 14

B.

The LMTU found in how router ldp bindings on the VPLS side of the spoke SDP

C.

The configured service-mtu of the VPLS service

D.

The LMTU found in how router ldp bindings on the VPLS side of the spoke SDP minus14

E.

The SDP path-MTU

What are the two primary problems the service provider must consider when providing traditional Layer 3 VPN services using only a single common routing table in the provider core? (Choose two)

A.

Memory exhaustion in the provider core

B.

Route leaking between the customer networks

C.

CPU utilization for route processing

D.

Unwanted packet forwarding between customer networks

A CE hub and spoke VPRN has two spoke sites; which of the following would be the best option to implement this topology at the hub site PE?

A.

One VPRN, one route distinguisher, and two route targets

B.

Two VPRNs, one route distinguisher, and three route targets

C.

Two VPRNs, two route distinguishers, and three route targets

D.

One VPRN, two route distinguishers, and three route targets

It is required to prepare the provider core for LDP on an Nokia 7750 SR. Based on the configuration shown below, choose the answer that best describes the given configuration.

A.

This configuration is correct and complete

B.

This configuration is correct except that the system interface must be added

C.

This configuration is correct except that the interfaces facing the CE routers must be added.

D.

MPLS configuration is not required

In a provider core consisting of 6 PE and 4 P routers, what is the minimum number of BGP sessions required in total for correct operation of VPRN services?

A.

0

B.

5

C.

10

D.

15

E.

45

Which of the following is not an available option for Route Distinguisher assignment?

A.

One Route Distinguisher per VRF route

B.

One Route Distinguisher per VRF

C.

One Route Distinguisher per VRF per site

D.

One Route Distinguisher per VPN