4A0-C02 Nokia SRA Composite Exam exact Exam Questions

Nokia SRA Composite Exam

Last Update 16 hours ago Total Questions : 639

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Question # 136

Which of the following devices would typically have VRF instances?

Any CE device

Any PE device

Any P device

Any router in the service provider core

Any customer router

Question # 137

Which command should be used on an Alcatel-Lucent 7750 SR acting as the PE, to view the table containing the BGP routes received from the remote sites?

Show router bgp routes

Show router bgp routes address-family vpn-ipv4

Show router bgp routes < service-id >

Show router < service-id > bgp routes

Question # 138

Which of the following about inter-AS model A VPRN is FALSE?

It requires the configuration of back-to-back VRFs between ASBR routers in different autonomous systems

It is the most scalable of the Inter-AS models.

Most routers that support VPRN functionality support model A by default.

It uses conventional eBGP to distribute unlabeled IPv4 routes between ASBR routers in different autonomous systems.

Question # 139

Complete the following statement. In a VPRN, the inner label is used to _______________.

Identify the customer network on the egress PE

Establish the LSPs between PE devices

Identify the egress PE in the MPLS domain

Identify the customer network on the ingress PE

Question # 140

Which of the following is not a valid BGP design for a network provider supporting VPRNs?

Full mesh of MP-BGP between all P devices

Full mesh of MP-BGP between PE devices

Route reflector configuration between PE devices

Confederation configuration between PE devices

Question # 141

Which of the following about VPRN Outbound Route Filtering (ORF) is FALSE?

Resources consumed at the sender and receiver PEs can be reduced by using BGP ORF.

BGP ORF allows a receiving PE to filter out unnecessary inbound routes.

A PE indicates its ORF capabilities to its neighbor PE in a BGP Open message.

BGP ORF is most effective when a large number of routes is being exchanged between two peers, and most routes are filtered out on arrival.

Question # 142

Click the exhibit.

One Route Distinguisher is assigned per VRF. If CE1 and CE2 advertise prefix 10.1.1.0/24, which of the following statements is FALSE?

PE1 and PE2 advertise the same VPN route to the route reflector.

The route reflector receives two routes for prefix 10.1.1.0/24; one from PE1 and one from PE2.

The route reflector reflects two routes for prefix 10.1.1.0/24.

PE3 receives two routes and is able to load balance traffic across PE1 and PE2.

Question # 143

Click the exhibit.

For the inter-AS model C VPRN, which of the following statements about a data packet sent from CE1 toCE2isTRUE?

PE1 sends the data packet with three labels: the bottom label is a service label, the middle label is a BGP label, and the top label is an LDP label.

ASBR1 sends the data packet with one label: the BGP label.

ASBR1 sends the data packet with one label: the service label.

ASBR2 sends the data packet with three labels: the bottom label is a service label, the middle label is a BGP label, and the top label is an LDP label.

Question # 144

Click the exhibit.

The CLI command " remove-private " is configured on PE1 to eliminate BGP loops in the VPRN. For the displayed route, what is the value of the AS-Path field?

64496 64512

64512

64496

64512 64496

Question # 145

Click the exhibit.

Which of the following best describes the output from the Alcatel-Lucent 7750 SR?

RSVP-TE has signaled a VPRN label.

RSVP-TE has signaled both VPRN and LSP labels.

MP-BGP has signaled both VPRN and LSP labels.

MP-BGP has signaled a VPRN label.

Question # 146

Click 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 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 CEI ' S address.

The global routing table of PE2 includes CE1 ' s address.

Question # 147

Which of the following commands on an Alcatel-Lucent 7750 SR will verify connectivity for a VPRN service < service-id > when issued from the PE?

oam vprn-ping < service-id > source < source-ip > destination < destination-ip >

oam < service-id > vprn-ping source < source-ip > destination < destination-ip >

vprn-ping router < service-id > < destination-ip >

Ping < destination-ip > source < source-ip >

Question # 148

What are the main functions of a Layer 3 VPN? (Choose three).

Distributing customer routing information between sites

Forwarding customer data packets

Providing an integrated billing solution

Maintaining separation between distinct customer networks

Allowing the implementation of Layer 3 devices in the provider core

Question # 149

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

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

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

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

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