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4A0-106 Nokia Virtual Private Routed Networks Free Practice Exam Questions (2025 Updated)

Prepare effectively for your Nokia 4A0-106 Nokia Virtual Private Routed Networks certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 214 questions

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

A.

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

B.

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

C.

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

D.

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

Click the exhibit.

Based on the displayed configuration, which routes does PE3 place in the VPRN 10 routing table?

A.

The routes learned from CE3 and PE1.

B.

The route learned from CE3 only.

C.

The routes learned from PE1 and PE2.

D.

The routes learned from CE3 and PE2.

Click the exhibit.

Which of the following statements about the implementation of the CE hub and spoke topology is FALSE?

A.

PE1 advertises spoke routes to CE1.

B.

The primary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.

C.

The secondary VRF on PE1 contains routes learned from the spoke sites.

D.

Spoke sites do not learn routes from other spoke sites directly.

In a VPRN that uses MPLS transport tunnels, which of the following is NOT configured on the PE device?

A.

MP-BGP for exchanging customer routes with other PEs.

B.

A routing protocol for exchanging customer routes with the CE.

C.

A label signaling protocol for defining transport tunnels between the PE and CE.

D.

MPLS for exchanging labels with other provider core devices.

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

A.

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

B.

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

C.

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

D.

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.

Which of the following is NOT a requirement for eiBGP load balancing to be effective?

A.

The route distinguisher of the VPRN on the local PE must be different from the route distinguisher of the remote PEs.

B.

ecmp must be configured within the VPRN instance.

C.

eibgp-loadbalance must be configured within the VPRN instance.

D.

ibgp-multipath must be configured within the VPRN instance.

Click the exhibit.

For the inter-AS model B VPRN, which of the following is the correct BGP configuration on ASBR1?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

AVPLS spoke SDP is terminated on a VPRN service. The remote side of the spoke SDP is operationally * Down' with a flag of ' Service MTU Mismatch'. Which command can you use on an Nokia 7750 SR to show the signaled operational VC-MTU?

A.

show service id base

B.

show router Idp bindings

C.

show service id sdp detail

D.

show service id vc-mtu

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?

A.

The route learned from an eBGP peer.

B.

The route with the lowest Origin.

C.

The route with the lowest originator ID or BGP Identifier.

D.

The route with the shortest AS path.

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?

A.

The VRF 10 on CSC-PE1 includes PE1 and PE2's system addresses.

B.

The global routing table of PE1 includes PE2's system address.

C.

The VRF 10 on CSC-PE2 includes CEI'S address.

D.

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

For the Inter-AS model A VPRN, which of the following is FALSE when CE2 sends an IP packet to 192.168.1.1?

A.

CE2 forwards an unlabeled IP packet to PE2 via the VPRN interface.

B.

PE2 pushes one label on the IP packet and label-switches it to ASBR2.

C.

ASBR2 forwards an unlabeled IP packet to ASBR1.

D.

ASBR1 pushes two labels on the IP packet and label-switches the packet to PE1.

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

A.

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

B.

LDP must be configured in each AS.

C.

MP-eBGP sessions must be configured between the ASBRs.

D.

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

Click the exhibit.

For the inter-AS model A VPRN shown, which of the following about the route advertisement of 192.168.1.0/27 is FALSE?

A.

PE1 advertises 64496:1:192.168.1.0/27 route update to ASBR1.

B.

PE2 advertises 192.168.1.0/27 route update to CE2.

C.

ASBR1 advertises 64496:1:192.168.1.0/27 route update to ASBR2.

D.

ASBR2 advertises 64497:1:192.168.1.0/27 route update to PE2.

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?

A.

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

B.

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

C.

The customer carrier network can be a pure IP network.

D.

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

Click the exhibit.

The headquarter sites of VPRN 10 and VPRN 20 are part of an extranet VPRN. Which route targets should be exported under the VPRN 20 service on router R1?

A.

Target:65100:2 and target:65100:3

B.

Target:65100:1 and target:65100:2

C.

Target:65100:1 and target:65100:3

D.

Target:65100:1, target:65100:2 and target:65100:3

Which of the following statements about Inter-AS model В VPRN is TRUE?

A.

MP-iBGP is used between PE1 and ASBR1 to exchange VPN-IPv4 routes.

B.

eBGP is used between ASBR1 and ASBR2 to exchange IPv4 routes.

C.

MP-eBGP is used between PE1 and PE2 to exchange VPN-IPv4 routes.

D.

MP-eBGP is used between ASBR1 and ASBR2 to exchange labeled IPv4 routes.

Click the exhibit.

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

A.

The route update sent from PE1.

B.

The route update sent from PE2.

C.

The route update sent from ASBR1.

D.

The route update sent from ASBR2.

What is wrong with the VPRN configuration applied on this Nokia 7750 SR?

A.

The VPRN ID must match the value 101 used in the vrf-target command.

B.

The VPRN ID must match the value 101 used in the route-distinguisher command.

C.

The router-id command should not be used in this context.

D.

The “no shutdown” command must be configured for the VPRN to be operationally UP.

Click the exhibit.

AS-override is configured on PE1 to eliminate the BGP loops. What is the expected AS-Path in the VPN-IPv4 route 64496:10:192.168.2.0/27 received by PE1?

A.

64496 64497

B.

64496

C.

64497

D.

64497 64497

Click the exhibit.

Which of the following best describes the output from the Nokia 7750 SR?

A.

RSVP-TE has signaled a VPRN label.

B.

RSVP-TE has signaled both VPRN and LSP labels.

C.

MP-BGP has signaled both VPRN and LSP labels.

D.

MP-BGP has signaled a VPRN label.

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Total 214 questions
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