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  4. 4A0-113 - Nokia OSPF Routing Protocol Exam

Nokia 4A0-113 Nokia OSPF Routing Protocol Exam Exam Practice Test

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Total 103 questions
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Nokia OSPF Routing Protocol Exam Questions and Answers

Question 1

Click the exhibit button.

Question # 1

Question # 1

The OSPF adjacency between routers R3 and R1 is down. What is the problem?

Options:

A.

Area 1 of router R1 should not be configured as a stub.

B.

Router R3 has the incorrect authentication key type.

C.

Router R1 has the incorrect authentication key type.

D.

There is not enough information to tell.

Question 2

Which of the following statements apply to link state protocol behavior? Choose three answers.

Options:

A.

Routers broadcast the entire route table to all neighbors.

B.

Information about directly connected links is sent to all neighbors.

C.

An adjacency database is maintained by each router.

D.

The sequence number for an update is incremented as it is flooded from router to router.

E.

The topological database is the same for all routers in a single area.

Question 3

Click the exhibit button.

Question # 3

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. How many type 4 LSAs will be present in the network?

Options:

A.

One.

B.

One for each of the routers in area 0

C.

One for each of the external routes exported by router R1.

D.

Type 4 LSAs are not generated in this network topology.

Question 4

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.

Question 5

Click on the exhibit.

Question # 5

The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.

What may be causing this?

Options:

A.

'asbr' is missing from router R1's configuration.

B.

Router R1 needs to have an export policy added to it.

C.

Router R5 does not have an export policy for these prefixes.

D.

Router R1 needs to have an import policy added to it.

Question 6

What type of LSA is used to flood information about prefixes from one OSPF area to other attached areas?

Options:

A.

Type 1

B.

Type 3

C.

Type 4

D.

Type 7

Question 7

What is the default inbound metric for RIP on theNokia7750 SR?

Options:

A.

Whatever the advertised metric happens to be.

B.

A value of 1.

C.

This must be administratively set as there is no default value.

D.

A value of 15.

Question 8

What command will show the OSPF neighbors, and their status on theNokia7750 SR?

Options:

A.

Show ospf neighbors

B.

Show router ospf neighbors

C.

Show router ospf adjacency

D.

Show ospf adjacency

Question 9

Choose the Distance Vector Protocols from the list below:

Options:

A.

OSPF

B.

RIPv1

C.

RIPv2

D.

IS-IS

Question 10

Click on the exhibit.

Question # 10

Router R2 learns the networks shown from IS-IS. Router R2 is configured to redistribute routes from IS-IS to OSPF as shown. Assume the OSPF and IS-IS adjacencies are operational.

How many OSPF Type 5 LSAs will router R1 receive from router R2?

Options:

A.

0

B.

1

C.

2

D.

3

E.

4

Question 11

Exhibit

Question # 11

Given the two configurations shown, identify the two incorrect statements below: (Choose two)

Options:

A.

Both routers will generate OSPF Hello packets.

B.

The system interface is missing in one configuration so OSPF will not operate correctly.

C.

The interface type settings differ, but OSPF will still operate correctly.

D.

Metric values differ, but this does not prevent OSPF operation.

Question 12

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

Question 13

Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-point link?

Options:

A.

IP packets sent to an IP multicast address.

B.

TCP packets sent to an IP multicast address.

C.

IP packets sent to an IP unicast address.

D.

UDP packets sent to an IP multicast address.

Question 14

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 15

What best describes the type of packets used by OSPF routers to exchange updates on a pointto-point link?

Options:

A.

IP packets sent to an IP multicast address.

B.

Ethernet frames sent to an Ethernet multicast address.

C.

IP packets sent to an IP unicast address.

D.

UDP packets sent to an IP multicast address.

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