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Nokia 4A0-C01 - Nokia NRS II Composite Exam

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Page: 7 / 13
Total 852 questions

Choose the Distance Vector Protocols from the list below:

A.

OSPF

B.

RIPv1

C.

RIPv2

D.

IS-IS

A default route for a client is also known as the:

A.

Default path

B.

Default gateway

C.

Gateway path

D.

Proxy ARP

What are the types of networks supported on an Alcatel-Lucent 7750 SR for OSPF? (Choose 2)

A.

Broadcast

B.

Non-Broadcast Multi-Access

C.

Point-to-Point

D.

Point-to-Multipoint

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?

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.

What are the types of routers in an IS-IS topology? Choose all that apply.

A.

Level 0

B.

Level 1

C.

Level 2

D.

Level 0/1

E.

Level 1/2

Which of the following statements regarding area border routers in an OSPF network is true?

A.

The term backbone router has the same definition as the term area border router.

B.

An OSPF network needs at least one area border router to function.

C.

Area border routers connect the backbone area to other areas in an OSPF network.

D.

By definition, an area border router must perform route summarization between areas.

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?

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.

When are virtual links used in OSPF?

A.

When two areas need to communicate and there is no area 0.

B.

When an area needs to traverse another area to reach area 0.

C.

When two areas are connected to area 0, but there is no direct path between them.

D.

When an area needs to connect directly to another area without using area 0.

Which of the following describes what happens when facility backup fast reroute is enabled for a LSP? Choose three answers.

A.

Each PLR will signal a bypass tunnel that avoids the next-hop node or link.

B.

When a failure occurs, the PLR will push an additional label onto the label stack and start forwarding traffic onto its bypass tunnel.

C.

The ingress router will include a RRO object in the path message to indicate the routers that should be PLRs and MPs along the protected path.

D.

The ingress router will set the local protection desired flag in the session attribute object of the path message to inform all routers along the protected LSP path to establish bypass tunnels.

E.

When the bypass tunnel is in use, the MP will include the RRO object in its PathErr message, with the local protection in use flag set to notify the ingress router that it is using the bypass tunnel.

Which of the following best describes the features of Classless Inter-Domain Routing (CIDR)?

A.

Automatic summarization and the use of IP addresses that use any number of bits for the network portion of the address.

B.

Manual summarization and the use of IP addresses that use any number of bits for the network portion of the address.

C.

Automatic summarization and the use of IP addresses that use a fixed number of bits for the network portion of the address.

D.

Manual summarization and the use of IP addresses that use a fixed number of bits for the network portion of the address.

Which of the following commands is used to display the database containing the OSPF-TE LSAs?

A.

show router ospf opaque-database

B.

show router ospf database

C.

show router ospf opaque-Isa

D.

show router ospf te opaque

Which of the following indicates the path over which an LSP's tail end router will return an RSVP RESV message?

A.

The IGP FIB.

B.

The Reservation State Block (RSB)

C.

The Path State Block (PSB)

D.

The opaque database.

Click on the exhibit.

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?

A.

Add "stub no summaries" to the area 1 configuration on router R1.

B.

Add the "originate-default-route" option in the area 1 configuration on router R1.

C.

Add a default static route on router R3.

D.

Include the system interface in the area 1 configuration on router R3.

E.

Add a static route on router R3 to 192.168.3.1.

An OSPF router receives an update in which the sequence number, age, and checksum are the same as the entry already in the topological database. What action does the router take?

A.

The link-state information is not populated in the database, but is forwarded to all neighbors.

B.

The link-state information already in the database is overwritten and the age is reset.

C.

The link-state information is not populated in the database and an acknowledgement is sent.

D.

The link-state information is regarded as old and nothing is done.

E.

A link-state request is performed to increase the sequence number.

Click on the exhibit.

Router R1 distributes its globally routed address and its loopbacks into IS-IS. Routers R2 and R4 have their globally routed addresses in IS-IS.

How many routes will router R4 have in its IPv6 route table?

A.

2

B.

3

C.

4

D.

5

E.

6

F.

7

Which one of the following statements regarding RSVP LSP configuration is true?

A.

LSPs must always terminate on a system ID.

B.

MPLS and RSVP must be enabled on all routers.

C.

Interfaces must be individually created in RSVP.

D.

Path definitions must include at least one hop entry.

Which of the following best describes the function of an OSPF Type 4 LSA?

A.

A Type 4 LSA is originated by an ABR to describe a route to an ASBR to routers outside the area.

B.

A Type 4 LSA is originated by an ASBR to describe a route to itself to routers outside the area.

C.

A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the backbone area to provide routing information.

D.

A Type 4 LSA is originated by an ABR that is connected to a stub area. The LSA is injected into the stub area to provide routing information.

Which of the following is not included in a Router LSA?

A.

Operationally down interfaces in OSPF

B.

Fully adjacent virtual links

C.

Waiting state broadcast links

D.

Fully adjacent point-to-point links

E.

Loopback Interfaces in OSPF

Which of the following best describes distance vector protocols?

A.

They periodically exchange copies of routing tables between adjacent routers and do not maintain any knowledge of links on non adjacent routers.

B.

They use shortest path first algorithms, do not exchange copies of routing tables between routers and do maintain knowledge of links on non adjacent routers.

C.

They periodically exchange copies of routing tables between adjacent routers and maintain knowledge of links on non adjacent routers.

D.

They use shortest path first algorithms, exchange copies of routing tables between routers and maintain knowledge of links on non adjacent routers.

Which of the following devices receives labeled packets from the MPLS domain, removes the MPLS header, and forwards unlabeled packets outside the MPLS domain?

A.

P router

B.

LSR

C.

eLER

D.

iLER