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4A0-C02 Exam Dumps - Nokia SRA Composite Exam

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Question # 73

Click the exhibit.

For the Inter-AS model B VPRN, which of the following about the inter-as-label output on ASBR1 is TRUE?

A.

ASBR1 includes label 131069 in the route update sent to ASBR2.

B.

ASBR1 includes label 131068 in the route update sent to ASBR2.

C.

ASBR1 includes label 131068 in the route update sent to PEL

D.

ASBR1 includes labels 131068 and 131069 in the route update sent to ASBR2.

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Question # 74

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

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Question # 75

Click the exhibit.

PE3 learns Internet routes via its VRF interface to the Internet peering router and stores them in its Internet VRF. CE1 is connected to the Red VPN and requires Internet access via its Red VRF interface. Which of the following statements do not fulfill this requirement?

A.

PE1 advertises the Red VPN routes and a default route to PE3.

B.

The Internet VRF on PE3 imports the Red VPN routes advertised by PE1.

C.

PE1 imports all Internet routes and advertises them to CE1 via the Red VRF.

D.

PE3 advertises a default route from its Internet VRF instead of advertising all Internet routes.

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Question # 76

Click the exhibit.

Which of the following about the inter-AS model A VPRN configuration on ASBR1 is TRUE?

A.

The route-distinguisher value must be 64496:10 for successful VPRN operation.

B.

An export policy is not required for successful VPRN operation.

C.

The "family vpn-ipv4" command is required under the BGP configuration for successful VPRN operation.

D.

The neighbor address should be 10.10.10.4 under the BGP configuration for successful VPRN operation.

E.

The VPRN configuration on ASBR1 is correct.

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Question # 77

Click on the exhibit below.

In the diagram below, SAP 1 is put into the blocking state as a result of the spanning tree protocol. What will occur in the VPLS instance if SAP 2 goes down and SAP 1 transitions to the forwarding state? Select the most accurate statement.

A.

A Spanning Tree BPDU will be sent across the mesh flushing the FDB table in all devices participating in the VPLS instance.

B.

Stale information will be used within the VPLS instance to forward traffic until the FDB ages out.

C.

An LDP control message will be sent to all devices in the mesh participating in the VPLS instance. Only MAC addresses associated with the PE that the failure occurred on will be flushed.

D.

An LDP control message will be sent to all devices in the mesh participating in the VPLS instance. The entire FDB in the VPLS instance will be flushed.

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Question # 78

When deploying Active/Standby pseudowires, the CE does not require any special configuration

A.

TRUE

B.

FALSE

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Question # 79

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 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

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Question # 80

Choose the answer that best completes the following sentence. The CE device is typically configured with _________________.

A.

A single routing protocol for exchanging routes with both the internal customer routers and with the PE

B.

MP-BGP to exchange routes with the PE.

C.

MPLS and a routing protocol for the exchange of labels and routes with the PE

D.

MPLS for exchanging labels with other CE devices

E.

A routing protocol for exchanging routes with the internal customer routers and a routing protocol for exchanging routes with the PE

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