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Free Nokia NRS II Composite Exam: OSPF version 4A0-C04 Exam Questions

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Question 1

Click the exhibit button.

If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24. What will be the preference of these two routes? Assume that all IS-IS routers are L1/L2 capable and are in the same are

a. Choose two answers.

Correct Answer: B. The IS-IS Level 1 internal preference; D. The OSPF external preference

Question 2

When redistributing OSPF into RIP V2 what must be taken into consideration for the redistribution to take place?

Correct Answer: A. The metric must be set accordingly for RIP

Question 3

A BGP session is in OpenConfirm state. Which of the following messages must be received to transition to Established state?

Correct Answer: D. Keepalive

Question 4

Which of the following is NOT a goal of BGP routing policies?

Correct Answer: B. To communicate the architecture of an AS to external ASs.

Question 5

Router R1, in AS 65540, has the export policy shown below. It advertises an aggregate route to eBGP peer router R2 in 65550. What is the AS Path of the aggregate route received by router R2?

Correct Answer: C. 65540 65540

Question 6

Which of the following statements concerning OSPFv3 is false?

Correct Answer: C. NSSA is not supported in OSPFv3.

Question 7

Which of the following best describes downstream on demand label distribution?

Correct Answer: C. An LSR distributes a label mapping for a FEC when it has been requested to do so.

Question 8

Which of the following is TRUE when the explicit null is implemented?

Correct Answer: B. The eLER will receive packets with a top label value of 0.

Question 9

What command could be used to verify proper configuration of a static route in an Nokia 7750 SR router?

Correct Answer: C. Show router route-table

Question 10

Click the exhibit.

This PE is connected to an IPv4 core and is being configured to support 6VPE for a VPRN. Which of the following completes this section of the configuration?

Correct Answer: E. Family vpn-ipv4 vpn-ipv6

Question 11

Click the exhibit.

When router A receives the BGP update for the 192.168.0.1/27 prefix, it propagates it to routers B and C. What action is taken by router B when it receives the update?

Correct Answer: B. Router B propagates the BGP update to router D.

Question 12

Click the exhibit.

Assume all router-IDs are properly configured, and IPv6 link-local addresses are used to establish all eBGP sessions. Given the following iBGP configuration on router A, what is the Next Hop for prefix 2001:DB8:A:401::1/128 on router B?

Correct Answer: C. The IPv6 global address of router A.

Question 13

When configuring distributed services across a network, it is considered best practice to configure which of the following parameters as globally significant?

Correct Answer: B. Customer ID and Service ID.

Question 14

Click the exhibit.

The CEs use BGP and export policies to advertise their local prefixes with the VPRN on their PEs. If the VPRN is functioning properly, which of the following commands will succeed when performed on router R1?

Correct Answer: B. 'oam vprn-ping 100 source 192.168.10.1 destination 192.168.20.1'

Question 15

What is the source IP address in an OSPF update?

Correct Answer: C. The unicast IP address of the interface the update is being sent on.