Alcatel-Lucent Alcatel-Lucent Certifications 4A0-100 Questions & Answers

• Question 11:

  Which of the following statements about IP address subnetting is TRUE?

  A. Subnetting adds a layer of hierarchy in the addressing structure.

  B. Subnetting helps routers make faster forwarding decisions.

  C. Subnetting increases routing advertisement stability.

  D. Subnetting reduces the number of route entries advertised by the router.

  Correct Answer: A

• Question 12:

  Which organization co-ordinates global public IP addresses?

  A. IANA

  B. IETF

  C. RIR

  D. IEEE

  Correct Answer: A

• Question 13:

  In which of the following types of network would STP be used?

  A. An MPLS network with multiple LSPs to the same LER.

  B. An Ethernet network with redundant paths.

  C. An OSPF network with multiple equal-cost paths.

  D. An eBGP network with multiple ASes.

  Correct Answer: B

• Question 14:

  What is the purpose of the broadcast IP address?

  A. To provide an address that refers to all the IP devices in a given subnetwork.

  B. To provide an address that refers to a specific group of devices in a network.

  C. To provide an address that refers to a group of devices having the same IP address in different Layer 2 domains.

  D. To provide an address that refers to a single device on a given subnetwork.

  Correct Answer: A

• Question 15:

  Which of the following enables service providers to support multiple customers with the same VLAN ID over the same backbone?

  A. VLAN Trunking

  B. VLAN Stacking

  C. VLAN Tagging

  D. VLAN Routing

  Correct Answer: B

• Question 16:

  

  A network consists of the components shown in the diagram. Assuming there are no VLANs, how many broadcast and collision domains are on this network?

  A. 9 broadcast domains, 3 collision domains

  B. 3 broadcast domains, 3 collision domains

  C. 3 broadcast domains, 9 collision domains

  D. 1 broadcast domain, 9 collision domains

  Correct Answer: C

• Question 17:

  Which of the following best describes a hub?

  A. A device used to connect cables with signal amplification.

  B. A device that receives and replicates data without Layer 2 header inspection.

  C. A device that receives and forwards data based on the MAC destination address.

  D. A device that receives and forwards data based on the Layer 3 destination address.

  Correct Answer: B

• Question 18:

  Which configuration edit mode does NOT give you access to the global candidate configuration?

  A. Private

  B. Global

  C. Read-only

  D. Exclusive

  Correct Answer: C

• Question 19:

  On a Nokia 7750 SR, which of the following event log destinations is used to store an event log to the compact flash?

  A. Console

  B. CLI

  C. Memory

  D. File

  Correct Answer: D

• Question 20:

  Which of the following about transactional configuration is FALSE?

  A. Configuration changes are stored in a candidate configuration datastore.

  B. A router uses the running configuration datastore for its operation.

  C. Configuration changes are activated by committing the candidate configuration.

  D. A running configuration datastore consists of multiple candidate configuration datastores.

  Correct Answer: D