4A0-101 Exam - Free Actual Q&As, Page 1

4A0-101 Actual Exam Questions

Last updated on Nov. 25, 2024.

Vendor:Alcatel-Lucent

Exam Code:4A0-101

Exam Name:Alcatel-Lucent Interior Routing Protocols

Exam Questions:315

Topic 1 - Volume A

Question #1 Topic 1

When a router receives an IP packet, but does not find a match in the routing table for the destination IP address, what actions are performed by the router?

A. The packet is flooded out all router interfaces.
B. The packet is dropped and an ICMP unreachable message is sent back to the source.
C. The packet is silently discarded.
D. The packet is flooded out all interfaces and an ICMP unreachable message is sent.

Reveal Solution Discussion 3

Correct Answer: B 🗳️

Question #2 Topic 1

Which of the following statements regarding distance vectors protocols are true?
(Choose two answers).

A. RIPv1, RIPv2, and BGP are distance vector protocols.
B. OSPF and IS-IS are distance vector protocols.
C. Routing tables are exchanged between neighbors; however, no routing table is transmitted beyond the immediate neighbor.
D. Distance vector protocols use the Dijkstra SPF algorithm.
E. Routers that participate in distance vector routing protocols maintain full knowledge of distant routers and how they interconnect

Reveal Solution Discussion 1

Correct Answer: AC 🗳️

Question #3 Topic 1

Click the exhibit button.

Routers R1 R2, and R3 are running a classful routing protocol between them. Assuming that router R1 advertises all directly connected networks, how will these networks be represented in router R3's routing table?

A. Router R3's routing table can only contain one of the routes, which will result in route flapping.
B. Router R3's routing table will have one entry for 10.1.1.0/24 and one entry for 10.1.2.0/24.
C. The networks will be represented with one entry of 10.0.0.0/8 in router R3's routing table.
D. The networks will be represented with one entry of 10.0.0.0/24 in router R3's route table.

Reveal Solution Discussion

Correct Answer: C 🗳️

Question #4 Topic 1

In an IP datagram, which of the following fields identifies the receiving application?

A. The protocol field of the transport layer header.
B. The port field of the transport layer header.
C. The protocol field of the network layer header.
D. The port field of the network layer address.

Reveal Solution Discussion

Correct Answer: B 🗳️

Question #5 Topic 1

Static routing will be used in a network between a corporate head office, with many connected networks, and a branch office, with one connection to the head office. Which of the following best describes the likely configuration?

A. The corporate head office router will have a default route and the branch site will have a more specific static route.
B. The corporate head office router and the branch office router will both have specific static routes.
C. The corporate head office router and the branch router will both have default routes.
D. The corporate head office router will have a more specific static route and the branch office router will have a default route.

Reveal Solution Discussion

Correct Answer: D 🗳️

Question #6 Topic 1

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

Reveal Solution Discussion

Correct Answer: A 🗳️

Question #7 Topic 1

There is an IP host with IP address 10.2.3.1. A static route is created, using the "configure router static-route 10.2.3.0/24 next-hop 10.1.2.1" command. What is the correct traceroute command to test this static route on an Alcatel-Lucent 7750 SR?

A. traceroute 10.2.3.1
B. traceroute 10.2.3.1 next-hop 10.1.2.1
C. traceroute next-hop 10.1.2.1
D. traceroute does not work on the Alcatel-Lucent 7750 SR.
E. traceroute 10.1.2.1

Reveal Solution Discussion

Correct Answer: A 🗳️

Question #8 Topic 1

Click the exhibit button.

A static route is created on router R1 "using the "static-route 0.0.0.0/0 next-hop 10.3.3.2" command. What command can be used to test the static route on an
Alcatel-Lucent 7750 SR?

A. ping static 10.5.5.5
B. ping static 0.0.0.0/0
C. ping 10.5.5.5
D. ping 0.0.0.0

Reveal Solution Discussion

Correct Answer: C 🗳️

Question #9 Topic 1

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

A. 0
B. 5
C. 10
D. 15

Reveal Solution Discussion

Correct Answer: B 🗳️

Question #10 Topic 1

Which of the following statements apply to link state protocol behavior? Choose three answers.

A. Routers broadcast the entire route table to all neighbors.
B. Information about directly connected links is sent to all neighbors.
C. An adjacency database is maintained by each router.
D. The sequence number for an update is incremented as it is flooded from router to router.
E. The topological database is the same for all routers in a single area.

Reveal Solution Discussion

Correct Answer: BCE 🗳️

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