[2026] Alcatel-Lucent Interior Routing Protocols and High Availability

문제1

Which of the following best describes an OSPF Type 3 LSA?

A. A Type 3 LSA is generated by an ASBR to describe routes to routers outside the area.

B. A Type 3 LSA is generated by an ABR only when route summarization is configured.

C. A Type 3 LSA is generated by an ABR to describe routes to routers outside the area.

D. A Type 3 LSA is generated by an ASBR only when route summarization is configured.

정답: C

문제2

Click the exhibit button.

Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?

A. The adjacency is down.

B. The adjacency is in the exchange state.

C. The adjacency is in exstart state.

D. Full; both routers are exchanging Helios to maintain the adjacency.

정답: C

문제3

Which LSAtype is not found in point-to-point only OSPF networks?

A. Type 2 Network LS A

B. Type 5 External LSA

C. Type 3 Summary LSA

D. Type 1 Router LSA

정답: A

문제4

Click on the exhibit.

A static route has been configured on router R1 to reach the PC at 139.120.121.2. What might be causing the ping to fail?

A. Router R1 needs a default route to router R2.

B. Router R2 needs a static route to the PC.

C. Router R2 needs a default to router R1.

D. The static route should use a next-hop of 172.31.1.2

정답: D

문제5

InOSPFv3, which of the following LSA types carries prefixes and is only flooded in the area where it is generated?

A. Intra-Area Prefix

B. Link

C. AS External

D. Router

정답: A

문제6

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 138.120.199.2/24 next-hop 138.120.199.1

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

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

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

정답: D

문제7

From the list below identify two matching criteria supported for IP filters on the Alcatel-Lucent 7750 SR: (Choose two)

A. DSAP marking

B. DSCP marking

C. ICMP type

D. Class of Service Marking

정답: B,C

문제8

Click on the exhibit.

The numbers beside the links are the metrics for that link.
Given the diagram, what path will traffic follow from router R2 to router R8,and from router R8 to router R2, if IS-IS is the routing protocol?

A. Router R2 to router R8 will follow (R2-R3-R5-R7-R8). Router R8 to R2 will follow (R8R7-R5-R3-R2)

B. Router R2 to router R8 will follow (R2-R3-R5-R7-R8). Router R8 to R2 will follow (R8R7-R6-R4-R3-R2)

C. Router R2 to router R8 will follow (R2-R3-R4-R6-R7-R8) Router R8 to R2 will follow (R8R7-R5-R3-R2)

D. Router R2 to router R8 will follow (R2-R3-R4-R6-R7-R8). Router R8 to R2 will follow (R8-R7-R6-R4-R3-R2)

정답: A

문제9

Which of the following best describes the actions taken by an IS-IS router after it receives an LSP on a broadcast interface that is newer than the one in its database?

A. The router updates its database with the LSP, acknowledges the LSP with a PSNP and floods a copy to its other neighbors.

B. The router sends a copy of the LSP from its database to its neighbor.

C. The router updates its database with the LSP and acknowledges it with a PSNP.

D. The router updates its database with the LSP and floods a copy to its other neighbors.

정답: D

문제10

What is another term to describe the default route for a client?

A. Gateway path

B. Default gateway

C. Black hole

D. Proxy ARP

정답: B

문제11

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

A. Type 5 (AS external) LSAs

B. Summary router LSA

C. Router LSA

D. Network LSA C Summary network LSA

정답: C,D

문제12

An OSPF adjacency is stuck in the exstart state. What is the most likely cause?

A. The interfaces are configured as point-to-point on one side and broadcast on the other.

B. The router ID is the same on both routers.

C. OSPF is not enabled on one of the routers.

D. An OSPF Hello has not been received from the neighbor.

E. The MTU does not match on both interfaces.

정답: E

문제13

An OSPF backbone area contains Type 5 LSAs. If an attached area receives only
Summary LSAs from the backbone area, what type of area is the attached area?

A. Totally stubby

B. Normal

C. Totally NSSA

D. Stub

정답: D

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