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What is the source IP address in an OSPF update?

A.

224.0.0.5

B.

224.0.0.6

C.

The unicast IP address of the interface the update is sent on

D.

The system address of the router.

What is the primary purpose of classless interdomain routing (CIDR)?

A.

To support classful routing protocols.

B.

To allow IP routes to be defined using any number of bits for the network portion of the address.

C.

To allow interdomain routing between an IGP and EGP such as OSPF and BGP.

D.

To simplify the allocation of IP address space by defining a fixed size for the network portion of the address for each of the address classes.

If two routers running IS-IS protocols are exchanging Hello packets with different authentication types, which of the following statements regarding the adjacency state established between them is true?

A.

Different authentication types are not possible because IS-IS only supports password authentication.

B.

An adjacency will not be formed

C.

The two routers negotiate the authentication type and then reach the up state.

D.

Only an L2 adjacency will form, as long as both routers are L2 capable.

Click the exhibit button.

Router R2 advertises the network 192.168.3.0/24 to router R1 via RIP.

How can router R1 ensure that it discards the route?

A.

Use an import policy and a prefix list on router R1 to reject this route.

B.

Use a prefix list on router R1 to discard all ingress IS-IS routes.

C.

Use an export policy and prefix list on router R1 to reject this route.

D.

This is not possible because RIP cannot use import policies.

Which three IS-IS PDU types are used for database synchronization?

A.

Hellos, CSNPs, PSNPs

B.

LSPs. Hellos, CSNPs

C.

LSPs, PSNPs, Hellos

D.

LSPs, CSNPs, PSNPs

How can a router ID be created on an Alcatel-Lucent 7750 SR router? Choose three answers

A.

From the least significant 32 bits of the chassis MAC address.

B.

From the most significant 32 bits of the chassis MAC address.

C.

From the loopback IP address.

D.

By using the command "config router router-id X.X.X.X"

E.

From the system IP address.

F.

From the highest interface IP address.

Click the exhibit button

The 192 168 3.0/24 network is learned on router R1 via IS-IS Given the OSPF configuration shown, and assuming that the OSPF adjacency between routers R1 and R3 is up, why is the 192 168.3.0/24 route not in router R3's route table? (Choose two)

A.

The route policy should be applied as in import policy

B.

The no-redistribute-external command is used on router R1

C.

The route policy is incorrect. It should say "from protocol ISIS" rather than "from protocol direct".

D.

It is not possible to be an ASBR and an NSSA. The ASBR configuration should be removed.

E.

The interface between routers R1 and R3 needs to be in OSPF area 0 rather than OSPF area 1 because a backbone area must always exist.

Which of the following LSA types stay within an OSPF area, and are not flooded outside of the area? Choose two answers.

A.

Router LSA

B.

Network LSA

C Summary network LSA

C.

Summary router LSA

D.

Type 5 (AS external) LSAs

Click the exhibit button.

A static route has been configured on router R1 to reach the PC at 139.120.121.2. However, as shown in the exhibit, the ping fails. What is the most likely cause of the problem?

A.

Router R2 does not have a route to the system address of router R1 and therefore cannot respond to the ping.

B.

There is no default route configured on the PC.

C.

Router R2 does not have a route configured to the PC.

D.

Router R1 needs to be configured with a default route.

Which of the following TLV fields is included in an IS-IS Hello packet on broadcast interfaces but not on point-to-point interfaces?

A.

The area addresses TLV

B.

The intermediate system neighbors TLV

C.

The IP interface address TLV

D.

The authentication information TLV