Alcatel Lucent Interior Routing Protocols and High Availability Set 2

1.

What is the default inbound metric for RIP on the Alcatel-Lucent 7750 SR?

Whatever the advertised metric happens to be. A value of 1. This must be administratively set as there is no default value. A value of 15.

2.

Choose the Distance Vector Protocols from the list below:

OSPF RIPv1 RIPv2 IS-IS

3.

What must be configured on the Alcatel-Lucent 7750 SR for RIP to advertise locally attached links?

A policy statement within the router identifying what is to be advertised Access-lists denoting what is to be advertised Default metrics for each link A group and neighbor statement for each peer

4.

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

The router must receive an acknowledgment The router must receive a Hello The router must receive a new sequence number The router must receive a Link State Packet

5.

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 is taken by the router?

The link state information is not populated in the database but is forwarded to all neighbors The link state information already in the database is overwritten and the age is reset The link state information is not populated in the database and an acknowledgement is sent The link state information is regarded as old and nothing is done.

6.

From the list below select the statements that describe the behavior of link state information aging. (Choose 2)

The age for newly created link state information is set to 0 for OSPF and 1200 for IS-IS The age for newly created link state information is set to 1200 for OSPF and 0 for IS-IS The age is incremented or decremented as it is flooded from router to router and as it is held in the topological database. The age is incremented or decremented only as it is held in the topological database and not as it is flooded router to router.

7.

What are the three databases maintained by a Link State Protocol?

Neighbor, adjacency, route table Neighbor, topology, forwarding Topology, routing, forwarding There are only two databases: adjacency and topology

8.

Which of the statements below best describes the pseudonode in an IS-IS network?

The DIS creates a logical node to represent a group of routers on the same non-broadcast network; this node is the pseudonode The DIS creates a logical node to represent the topological database of the backbone network in an IS-IS network; this node is the pseudonode The DIS creates a logical node to represent a broadcast sub-network; this node is the pseudonode The DIS creates a logical node to represent the complete topology of an IS-IS area; this node is the pseudode

9.

What command will show the IS-IS neighbors, and their status on an Alcatel-Lucent 7750 SR?

Show isis neighbors Show router isis neighbors Show router isis adjacency Show isis adjacency

10.

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

Level 0 Level 1 Level 2 Level 0/1 Level 1/2

Alcatel Lucent Interior Routing Protocols and High Availability Set 2

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Alcatel Lucent Interior Routing Protocols and High Availability Set 2

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