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Nokia OSPF Routing Protocol Exam Questions and Answers

Question 1

Click the exhibit button.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Which of the following statements regarding the OSPF LSAs in the network is true?

Options:

A.

Router R1 generates a type 5 LSA that is flooded through all OSPF areas.

B.

Router R1 generates a type 7 LSA that is flooded through all OSPF areas.

C.

Router R1 generates a type 5 LSA that is flooded through area 1. Router R2 generates a type 7 LSA that is flooded through areas 0 and 2.

D.

Router R1 generates a type 7 LSA that is flooded through area 1. Router R3 generates a type 5 LSA that is flooded through areas 0 and 2.

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Question 2

Which of the following concerning OSPFv3 is TRUE?

Options:

A.

OSPFv3 uses MD5 Authentication.

B.

Router LSAs carry IPv6 prefix information.

C.

NSSA is supported in OSPFv3.

D.

OSPFv3 uses a 64-bit router ID.

Question 3

Which of the following are similarities between OSPF and IS-IS? Choose two answers.

Options:

A.

Metric is based on hop count.

B.

Slow convergence after link failures.

C.

Support hierarchy through the use of areas.

D.

Support for CIDR.

E.

Link state updates sent using layer 3 multicast.

Question 4

Which of the following statements regarding the election of the designated router (DR) by OSPF routers are true? (Choose two)

Options:

A.

The router with the lowest priority is the DR.

B.

The router with the highest priority is the DR.

C.

If priorities are the same, the DR is chosen based on the lowest RID.

D.

If priorities are the same, the DR is chosen based on the highest RID.

Question 5

What type of OSPF router generates a type 2 LSA?

Options:

A.

Area Border Router

B.

Autonomous System Boundary Router

C.

Designated Router

D.

All routers within an OSPF area.

Question 6

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

Options:

A.

The metric must be set accordingly for RIP

B.

The subnet mask must be removed from the OSPF route

C.

You must divide the cost of the OSPF route by three

D.

The router must be configured as an ASBR

Question 7

Which of the following OSPF area types are supported by the Alcatel- Lucent 7750 SR? Choose two answers.

Options:

A.

Not so stubby areas

B.

Level1 area WC

C.

Stub areas

D.

Partially stubby areas

E.

Level 2 areas

Question 8

In an OSPF environment, what must a router receive after it sends out an update?

Options:

A.

The router must receive an acknowledgment

B.

The router must receive a Hello

C.

The router must receive a new sequence number

D.

The router must receive a Link State Packet

Question 9

Identify two attributes of Distance Vector Protocols: (Choose two)

Options:

A.

Use split horizon by default.

B.

Send information about directly connected links to neighbors at periodic intervals.

C.

Use holddown timers when topologies change to allow for convergence.

D.

Maintain multiple databases: neighbor, topology and routing.

Question 10

Click the exhibit button.

192.168.3.1 is a loopback interface on router R2 and is distributed to OSPF area 0, but the ping fails from router R3. Which of the following is a possible solution to the problem?

Options:

A.

Add the "originate-default-route" option in the NSSA area configuration on router R3

B.

Add the "summaries" option to the NSSA area configuration on router R1

C.

Make a static route on router R1 to 192.168.3.1

D.

Make a default route on router R2

Question 11

Which of the following cannot be used as a matching criterion in route policy statements?

Options:

A.

Source IP address

B.

TCP source port

C.

Prefix list

D.

Protocol type

Question 12

What are the three databases maintained by a Link State Protocol?

Options:

A.

Neighbor, adjacency, route table

B.

Neighbor, topology, forwarding

C.

Topology, routing, forwarding

D.

There are only two databases: adjacency and topology

Question 13

Click the exhibit button.

Router R2 advertises the network 192.168.3.0/24 to router R1 via OSPF. A route policy has been constructed to discard the route on router R1; however, it is not working. What is the problem?

Options:

A.

The prefix list reject should be "192.168.3.0/16 exact".

B.

Router R1 should be configured as an OSPF "asbr".

C.

The policy "reject" should be set for import rather than export.

D.

The policy was likely not "committed" after creation.

E.

This is not possible because OSPF cannot use import policies.

Question 14

Click the exhibit button.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding Type 4 LSA generation is true?

Options:

A.

Router R1 generates a Type 4 LSA that is flooded to areas 0, 1, and 2.

B.

Router R3 generates a Type 4 LSA that is flooded to areas 0, 1, and 2.

C.

Router R3 generates a Type 4 LSA that is flooded to areas 0 and 2.

D.

Router R3 generates a Type 4 LSA that is flooded to area 0, and router R6 generates a Type 4 LSA that is flooded to area 2.

Question 15

AnNokia7750 SR receives a route via an IS-IS LSP with internal reach ability, and receives the same route via an OSPF type 5 LSA. If al protocol preferences are default, which route will be installed in the route table?

Options:

A.

The route learned via IS-IS will be installed.

B.

The route learned via the OSPF type 5 LSA will be installed.

C.

Both routes will be installed, if ECMP is enabled.

D.

Both routes will be installed, regardless of whether ECMP is enabled.

Exam Detail
Vendor: Nokia
Certification: Nokia Network Routing Specialist II (NRS II)
Exam Code: 4A0-113
Exam Name: Nokia OSPF Routing Protocol Exam
Last Update: Dec 25, 2024
4A0-113 Question Answers
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