Nokia Virtual Private Routed Networks (4A0-106) Free Practice Test

Question 1

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?

A. 64512

B. 64496 64512

C. 64512 64496

D. 64496

Correct Answer: A

Question 2

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

A. eibgp-loadbalance must be configured within the VPRN instance.

B. ibgp-multipath must be configured within the VPRN instance.

C. ecmp must be configured within the VPRN instance.

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

Correct Answer: D

Question 3

What are the two main benefits of a hub and spoke VPRN design? (Choose two)

A. Limited configuration required on the hub PE device

B. Reduced number of VPN tunnels that need to be managed

C. Centralized filtering policies with the introduction of a hub site

D. Optimal routing between all sites

Correct Answer: B,C

Question 4

What operation does a P device perform when it receives a labeled packet for a VPRN service?

A. It forwards the packet based on the label signaled by MP-BGP.

B. It swaps the outer label then forwards the packet.

C. It decrements the TTL and forwards the packet based on the inner label.

D. The P router does not perform any operations on labeled packets.

Correct Answer: B

Question 5

Which of the following is NOT a viable option when implementing inter-AS VPRN?

A. MP-eBGP exchange of labeled IPv4 routes between route reflectors residing in different autonomous systems.

B. MP-eBGP exchange of VPN-IPv4 routes between PEs residing in different autonomous systems.

C. MP-eBGP exchange of VPN-IPv4 routes between ASBRs residing in different autonomous systems.

D. A VRF-to-VRF connection at the autonomous system border routers.

Correct Answer: A

Question 6

Click the exhibit.

Assuming that the as-override command is used, what is the most likely location of prefix 10.1.2.0/24?

A. There are two Autonomous Systems between the local AS and the AS that originated the prefix.

B. The prefix is located in Autonomous System 65100.

C. The prefix is located in an Autonomous System directly connected to this router.

D. There is a single Autonomous System between the local AS and the AS that originated the prefix.

Correct Answer: D

Question 7

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 routes learned from PE1 and PE2.

C. The route learned from CE3 only.

D. The routes learned from CE3 and PE2.

Correct Answer: A

Question 8

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, target:65100:2 and target:65100:3

C. target:65100:1 and target:65100:3

D. target:65100:1 and target:65100:2

Correct Answer: A

Question 9

When configuring a VPRN service on an Nokia 7750 SR, where should the following policy be applied?

A. This policy is not required

B. On the CE under the BGP context

C. On the CE under the RIP context

D. On the PE under the BGP context

E. On the PE under the RIP context

Correct Answer: A

Question 10

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

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

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

Correct Answer: A

Question 11

Click the exhibit.

Based on the VPRN aggregate route configuration, which routes are advertised to CE2?

A. 172.0.0.0/16 only

B. 172.12.10.0/24 and 172.12.20.0/24

C. 172.12.0.0/16 only

D. 172.12.10.0/24, 172.12.20.0/24 and 172.0.0.0/16

Correct Answer: B

Question 12

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

A. To allow routes to be exchanged between all, or selected, sites of one VPRN, and all, or selected, sites of a second VPRN.

B. To simplify the administration of multiple VPRNs.

C. To allow network access between the headquarter sites of each VPRN service and a shared VPRN service offered by a third party.

D. To reduce the number of VPRN tunnels required.

Correct Answer: A

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Nokia Virtual Private Routed Networks (4A0-106) Free Practice Test