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Alcatel-Lucent 4A0-101 Exam Actual Questions

The questions for 4A0-101 were last updated on April 8, 2024.
  • Viewing page 1 out of 32 pages.
  • Viewing questions 1-10 out of 324 questions
 

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 Hide 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 Hide 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 Hide 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 Hide 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 Hide 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 Hide 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 Hide 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 Hide 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 Hide 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 Hide Solution   Discussion  

Correct Answer: BCE 🗳️

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