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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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Nokia OSPF Routing Protocol Exam Questions and Answers

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Question 1

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 2

Click the exhibit button.

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 3

In an OSPF Hello packet what fields must match all neighbor routers on the segment? (Choose 3)

Options:

A.

Area ID

B.

Hello and Dead Intervals

C.

Stub flag

D.

DR and BDR addresses

E.

The list of neighbors

Question 4

What is the default priority value used for electing the DR on anNokia7750 SR running OSPF on an Ethernet?

Options:

A.

Priority of 0

B.

Priority of 1

C.

Priority of 64

D.

Priority of 255

Question 5

What must be configured on theNokia7750 SR for RIP to advertise locally attached links?

Options:

A.

A policy statement within the router identifying what is to be advertised

B.

Access-lists denoting what is to be advertised

C.

Default metrics for each link

D.

A group and neighbor statement for each peer

Question 6

A router receives an OSPF database description packet from a neighbor that references an LSA, which is already in the router's LSDB. The sequence number in the DBD packet is lower than the sequence number of the LSA in the LSDB.

What action does the router take?

Options:

A.

The router sends a link-state update to its neighbor.

B.

The router sends a link-state acknowledgement to its neighbor.

C.

The router updates the information in its LSDB with the information received from its neighbor.

D.

The router sends a link-state request to its neighbor.

E.

The router takes no action.

Question 7

In an IP datagram, which of the following fields identifies the receiving application?

Options:

A.

The protocol field of the transport layer header.

B.

The port field of the transport layer header.

C.

The protocol field of the network layer header.

D.

The port field of the network layer address.

Question 8

Click on the exhibit.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. There are no stub or NSSA areas. Which of the following regarding LSAs is TRUE?

Options:

A.

Router R3 will advertise Type 7 LSAs to Area 0 and Area 2.

B.

Only routers R2 and R3 receive Type 5 LSAs advertised by router R1.

C.

Router R2 will receive Type 5 and Type 7 LSAs.

D.

Router R7 will receive Type 5 LSAs advertised by router R1.

Question 9

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 10

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 11

If a Router originates a type 1 router LSA with the E bit set what types of areas can it belong to? Select all that apply.

Options:

A.

Not So Stubby Area

B.

Stub Area

C.

Backbone Area

D.

Standard Area

Question 12

Which of the following statements concerning OSPFv3 is false?

Options:

A.

MD5 Authentication is not supported.

B.

Router LSAs do not carry IPv6 prefix information

C.

NSSA is not supported in OSPFv3.

D.

OSPFv3 uses a 32-bit router ID.

Question 13

What are some of the characteristics ofNokia's implementation of non-stop routing? (Choose two)

Options:

A.

No protocol extensions required

B.

Only supported by OSPF and IS-IS

C.

Transparent to routing neighbors

D.

Uses Graceful Restart to inter-operate with other vendors

Question 14

What modes of authentication are supported for RIPv2 on theNokia7750 SR?

Options:

A.

RIPv2 supports basic and MD5 authentication only.

B.

RIPv2 supports password and MD5 authentication only.

C.

RIPv2 does not support authentication, password and MD5 authentication.

D.

RIPv2 does not support authentication.

Question 15

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.

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