Free 4A0-101 Questions for Alcatel-Lucent Interior Routing Protocols and High Availability 4A0-101 Exam as PDF & Practice Test Engine

Exam Code/Number: 4A0-101
Exam Name/Title: Alcatel-Lucent Interior Routing Protocols and High Availability
Certification Provider: Alcatel-Lucent
Corresponding Certification: Alcatel-Lucent Certifications

Exam Questions: 315
Updated On: Aug 16, 2026

Question #1

Which of the following describes the purpose of 6over4 tunneling?

A. To give IPv4 only routers the ability to route based on IPv6 addresses.

B. To allow IPv6 traffic to pass through an IPv4 network.

C. To allow core routers running only IPv6 protocols to carry IPv4 traffic.

D. To give IPv6 traffic preferential routing over IPv4 routes.

Discussion 0

Correct Answer: B Vote an answer

Question #2

What is the default preference value for a static route in the Alcatel-Lucent 7750 SR?

A. 0

B. 5

C. 15

D. 10

Discussion 0

Correct Answer: B Vote an answer

Question #3

Which type of OSPF LSA has the following characteristics: It is flooded only within the area it originates from and can be originated by any OSPF router within the area (including non-DR routers).

A. Type 1 Router LSA

B. Type 3 Summary LSA

C. Type 2 Network LSA

D. Type 4 ASBRLSA

Discussion 0

Correct Answer: A Vote an answer

Question #4

Click on the exhibit.

What type of OSPFv3 LSA is shown?

A. Network LSA

B. Inter-Area Prefix LSA

C. Router LSA

D. Link LSA

Discussion 0

Correct Answer: A Vote an answer

Question #5

Click on the exhibit.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. There are no stub or NSSA areas. Which of the following regarding LSAs is TRUE?

A. Only routers R2 and R3 receive Type 5 LSAs advertised by router R1.

B. Router R2 will receive Type 5 and Type 7 LSAs.

C. Router R3 will advertise Type 7 LSAs to Area 0 and Area 2.

D. Router R7 will receive Type 5 LSAs advertised by router R1.

Discussion 0

Correct Answer: D Vote an answer

Question #6

Click on the exhibit.

The OSPF adjacency between routers R1 and R3 does not come up.
Which of the following is a possible solution to the problem?

A. Stub must be configured on Area 1 of router R1, and removed from Area 1 on router R3.

B. Area 1 of router R3 should be Area 0, in order to connect via stub to router R1.

C. Stub must be configured on Area 0 of router R1 and Area 1 of router R3.

D. Stub must be configured on Area 1 of router R1 and Area 1 of router R3.

Discussion 0

Correct Answer: D Vote an answer

Question #7

Which of the following is NOT a characteristic of RIPv1?:

A. Poison Reverse

B. Classless routing

C. 30 second network updates

D. Broadcast advertisement

Discussion 0

Correct Answer: B Vote an answer

Question #8

In an OSPF network, which of the following is NOT a result of manual summarization on an ABR?

A. It can reduce the size of the route table.

B. It can reduce the number of Summary LSAs.

C. It can reduce the number of Router LSAs.

D. It can reduce the topological database size.

Discussion 0

Correct Answer: C Vote an answer

Question #9

Why does IPv6 not use ARP?

A. ICMPv6 reduced its role to connectivity checking and auto-configuration only.

B. ICMFV6 replaced the ARP functionality with Multicast Listener Discovery (MLD).

C. The ARP functionality has been replaced by the Neighbor Discovery protocol.

D. The ARP functionality is not needed due to the increased IPv6 address space.

Discussion 0

Correct Answer: C Vote an answer

Question #10

On which type of IS-IS router is summarization most likely to be configured?

A. L1 routers

B. L1/L2 routers

C. L1 and L2 routers

D. L2 routers

Discussion 0

Correct Answer: B Vote an answer

Question #11

In an IS-IS network, why does the DIS create a pseudo-node?

A. It represents the complete topology of an IS-IS area.

B. It represents the topological database of the backbone network in an IS-IS network.

C. It represents a broadcast sub-network.

D. It represents a group of routers on the same non-broadcast network.

Discussion 0

Correct Answer: C Vote an answer

Question #12

Which of the following regarding IS-IS DIS is FALSE?

A. L1 and L2 routers elect separate DIS's.

B. DIS uses a specific Ethernet multicast address to communicate with other routers on the broadcast network.

C. In broadcast multi-access networks, such as Ethernet, one router is elected as the DIS and a second router as the backup DIS.

D. If a new router starts up in a LAN and has a higher interface priority, the new router preempts the original DIS and becomes the DIS.

Discussion 0

Correct Answer: C Vote an answer

Question #13

Which of the following best describes the forwarding of a IPv6 packet that has a destination anycast address?

A. It is sent to all nodes on the local network.

B. It is sent to the nearest node that is assigned the anycast address

C. It is sent to all nodes that have joined the anycast group.

D. It is sent to all nodes on the local link.

E. It is sent to all nodes that are assigned the anycast address.

Discussion 0

Correct Answer: B Vote an answer

Question #14

Which of the following route types must be manually configured and will not re-route traffic when a link failure occurs in its path?

A. A route from OSPF.

B. A static route.

C. A route from IS-IS.

D. A floating static route.

Discussion 0

Correct Answer: B Vote an answer

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