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Nokia OSPF Routing Protocol Exam Question and Answers

Nokia OSPF Routing Protocol Exam

Last Update May 8, 2024
Total Questions : 103

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Questions 1

When an OSPF adjacency is stuck in the "ExchStart" state, what is the most likely cause?

Options:

A.  

The MTU does not match on both interfaces

B.  

OSPF is not enabled on one of the routers

C.  

The Router ID is the same on both routers

D.  

A OSPF Hello has not been received from the neighbor

Discussion 0
Questions 2

Select the answer below that correctly lists the 5 different OSPF packet types.

Options:

A.  

Hello, Link State Update, Link State Packet, Link State Acknowledgement, Database Descriptor

B.  

Link State Update, Link State Refresh, Link State Acknowledgement, Database Descriptor, Notification

C.  

Hello, Link State Refresh, Link State Update, Link State Acknowledgement, Link State Authentication

D.  

Hello, Link State Update, Link State Request, Link State Acknowledgement, Database Descriptor

Discussion 0
Questions 3

Click the exhibit button.

What can you deduce from the show command on router R6?

Options:

A.  

The router R6 interface is in a multi-access segment. It is neither the DR nor the BDR for the segment. The DR for this segment would be the router with router ID 10.10.10.5.

B.  

The router R6 interface is in a multi-access segment. It is neither the DR nor the BDR for the segment; however, this command does not indicate whether 10.10.10.3 or 10.10.10.5 is the DR or BDR.

C.  

The router R6 interface is in a multi-access segment. It is the BDR, which is why it is not adjacent to the other routers.

D.  

The router R6 interface is in a multi-access segment. It is neither the DR nor the BDR for the segment. The DR for this segment would be the router with router ID 10.10.10.3.

Discussion 0
Questions 4

Click the exhibit button.

If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 preference of these two routes? Choose two answers.

Options:

A.  

The OSPF internal preference

B.  

The IS-IS Level 1 internal preference

C.  

The IS-IS Level 2 internal preference

D.  

The OSPF external preference

E.  

The IS-IS Level 2 external preference

F.  

The IS-IS Level 1 external preference

Discussion 0
Questions 5

Which of the following statements best describes an OSPF type 3 LSA?

Options:

A.  

An OSPF type 3 LSA is an intra-area LSA, generated by the ABR only when route summarization is configured.

B.  

An OSPF type 3 LSA is an inter-area LSA, generated by the ABR only when route summarization is configured.

C.  

An OSPF type 3 LSA is an inter-area LSA, generated by an ASBR to describe external routes.

D.  

An OSPF type 3 LSA is an inter-area LSA, generated by the ABR to describe a route to neighbors outside the area.

Discussion 0
Questions 6

Click the exhibit button.

The following command sequence is executed on router R2:

  • A: R2# configure router ospf router-id 10.10.10.99
  • A: R2# configure router router-id 10.10.10.66

On router R1, what router ID appears for router R2 directly after these commands are executed?

Options:

A.  

10.10.10.99

B.  

10.10.10.66

C.  

10.10.10.2

D.  

10.10.10.1

Discussion 0
Questions 7

An operator configures anNokia7750 SR with a loopback interface and IPv6 address. The operator then configures a routing policy to redistribute the loopback prefix into OSPFv3. What type of LSA is used to advertise the route to other OSPFv3 routers in the same area?

Options:

A.  

Router LSA

B.  

AS External LSA

C.  

Intra-Area Prefix LSA

D.  

Inter-Area Prefix LSA

E.  

Network LSA

F.  

None of the statements are correct.

Discussion 0
Questions 8

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.

Discussion 0
Questions 9

Choose the Distance Vector Protocols from the list below:

Options:

A.  

OSPF

B.  

RIPv1

C.  

RIPv2

D.  

IS-IS

Discussion 0
Questions 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

Discussion 0
Questions 11

Which of the following is NOT a characteristic of RIPv1?:

Options:

A.  

30 second network updates

B.  

Classless routing

C.  

Broadcast advertisement

D.  

Poison Reverse

Discussion 0
Questions 12

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.

Discussion 0
Questions 13

What is the protocol number for OSPF in the IP header?

Options:

A.  

OSPF uses TCP, so the protocol number is 6.

B.  

OSPF uses UDP, so the protocol number is 17.

C.  

OSPF does not use IP.

D.  

OSPF has its own protocol number of 89.

Discussion 0
Questions 14

Which of the following OSPFv3 LSAs have an AS scope?

Options:

A.  

Link Local LSA

B.  

Router LSA

C.  

Network LSA

D.  

Inter-Area Router LSA

E.  

Intra-Area Prefix LSA

F.  

None of the above LSAs have an AS scope.

Discussion 0
Questions 15

Click the exhibit button.

Routers R1 „ R2, and R3 are running a classful routing protocol between them. Assuming that router R1 advertises all directly connected networks, how will these networks be represented in router R3's routing table?

Options:

A.  

Router R3's routing table can only contain one of the routes, which will result in route flapping.

B.  

Router R3's routing table will have one entry for 10.1.1.0/24 and one entry for 10.1.2.0/24.

C.  

The networks will be represented with one entry of 10.0.0.0/8 in router R3's routing table.

D.  

The networks will be represented with one entry of 10.0.0.0/24 in router R3's route table.

Discussion 0
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