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Nokia 4A0-101 - Alcatel-Lucent Interior Routing Protocols and High Availability

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Total 315 questions

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

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.

Click the exhibit button.

What triggers convergence of the routing protocol when the link between switch 1 and switch 2 goes down?

A.

Convergence is triggered when the adjacency between routers R1 and R2 drops as a result of Hello timeouts. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

B.

Convergence is triggered when the physical interfaces between routers R1 and R2 go down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

C.

Convergence will not be triggered because switches cannot run routing protocols between them.

D.

Convergence is triggered when the switches notify the routers about the link state information. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged

E.

Convergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link is down. At this point, both routers R1 and R2 re-compute their link state database and send updates to their adjacent routers. Once the process is complete for all routers, the networks have converged.

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

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.

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.

If routers R1 and R2 have a Level 1 and Level 2 IS-IS adjacency, which of the following statements is true? Choose two answers.

A.

Routers R1 and R2 are in different areas.

B.

Routers R1 and R2 are in the same area.

C.

Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is point-to-point.

D.

Routers R1 and R2 will send a Level 1 Hello PDU and Level 2 Hello PDU, if the interface type between them is broadcast.

E.

Routers R1 and R2 will send a Level 1/2 Hello PDU if the interface type between them is broadcast.

Click the exhibit button.

What is the command to configure a static route on the Alcatel-Lucent 7750 SR router R1 to reach the network behind router R2?

A.

configure router static-route 139.120.121.0/24 next-hop 138.120.199.2

B.

configure router static-route 139.120.121.0/24 next-hop 138.120.199.1

C.

configure router static-route 138.120.199.2/24 next-hop 138.120.199.1

D.

configure router static-route 139.120.121.0/24 next-hop 139.120.121.2

Which one of the commands below will create a static route to network 2.3.4.0/24 on the AlcatelLucent 7750 SR router?

A.

Static route 2.3.4.0 255.255.255.0 next hop 3.4.5.6

B.

Static-route next-hop 3.4.5.6 2.3.4.0/24

C.

Static route 2.3.4.0/24 next hop 3.4.5.6

D.

Static-route 2.3.4.0/24 next-hop 3.4.5.6

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

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

What acts as the tie breaker on an Alcatel-Lucent 7750 SR if the priorities are the same when IS-IS is electing a DIS?

A.

The system ID

B.

The loopback address

C.

The sequence number of the hello packet

D.

The device that first initiated communication becomes the DIS

Choose the Distance Vector Protocols from the list below:

A.

OSPF

B.

RIPv1

C.

RIPv2

D.

IS-IS