Nokia NRS II Composite Exam: OSPF version (4A0-C04) Free Practice Test

Question 1

Which of the following regarding BGP Path Identifier is FALSE?

A. A BGP speaker that re-advertises a route must generate its own Path-ID.

B. Path-ID uniquely identifies each path advertised to a neighbor.

C. Path-ID is an optional transitive attribute used to advertise multiple paths.

D. Path-ID is a four-octet identifier pre-pended to the NLRI field of a BGP update.

Correct Answer: C

Question 2

In a Layer 2 encapsulation using T-LDP, what does the second (bottom) label represent?

A. VPI

B. VCI

C. VC Label

D. Operational Control Word

E. Tunnel Label

Correct Answer: C

Question 3

NSSA LSA packets are what type within an NSSA area, and are converted to what other type at the ABR?

A. They are type 7 within the area and converted to type 5 at the ABR

B. They are type 5 within the area and are not modified at the ABR

C. They are type 7 within the area and are not modified at the ABR

D. They are type 5 within the area and converted to type 3 at the ABR

Correct Answer: A

Question 4

Click the exhibit.

Router R6 is a route reflector with clients R1, R2 and R5. Router R3 advertises the prefix 192.168.1.0/27 to routers R1, R2 and R5. How many routes for prefix 192.168.1.0/27 will router R6 receive?

A. 3

B. None

C. 1

D. 2

Correct Answer: A

Question 5

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?

A. Router B detects duplicates in its BGP database and discards the update.

B. Router B propagates the BGP update to routers D and C.

C. Router B propagates the BGP update to router D.

D. Router B propagates the update to routers A, C and D.

Correct Answer: C

Question 6

Which of the following about the Nokia 7750 SR sdp-ping is TRUE?

A. It tests the reachability of hosts connected to an SDP.

B. It tests that the MTU settings of a service are correct.

C. It tests in-band, uni-directional or round-trip connectivity of SDPs.

D. It tests the IGP reachability of the far-end IP address of an SDP.

Correct Answer: C

Question 7

An OSPF adjacency is stuck in the exstart state. What is the most likely cause?

A. The router ID is the same on both routers.

B. The interfaces are configured as point-to-point on one side and broadcast on the other.

C. The MTU does not match on both interfaces.

D. OSPF is not enabled on one of the routers.

E. An OSPF Hello has not been received from the neighbor.

Correct Answer: C

Question 8

An IS-IS TE enabled router has an interface on a 500Mbps link and it is configured with a 25% subscription.
If this interface is not used by any LSPs. what value will be shown in the Reservable Bandwidth sub-TLV?

A. 500 Mbps

B. 2000 Mbps

C. 125 Mbps

D. 625 Mbps

Correct Answer: C

Question 9

The configuration of an Nokia 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?

A. Router R1forms iBGP sessions with routers R2 and R3.

B. Router R1forms eBGP sessions with routers R2 and R3.

C. The types of BGP sessions with routers R2 and R3 cannot be determined.

D. Router R1forms an iBGP session with router R2, and an eBGP session with router R3.

Correct Answer: C

Question 10

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?

A. The IPv6 link-local address of the router D interface towards router A.

B. The IPv6 link-local address of the router A interface towards router D.

C. The IPv6 global address of router D.

D. The IPv6 global address of router A.

Correct Answer: D

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Nokia NRS II Composite Exam: OSPF version (4A0-C04) Free Practice Test