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

• Question 41:

  Which of the following is NOT a function of the control plane?

  A. Building routing tables using dynamic routing protocols.

  B. Building forwarding tables for the IOMs.

  C. Handling router configuration and management functions.

  D. Processing and forwarding user application traffic.

  Correct Answer: D

• Question 42:

  Which of the following is NOT a characteristic of the Internet protocol layer?

  A. It provides a unique addressing scheme to identify hosts.

  B. It provides a user interface to the network.

  C. It uses routing protocols for path determination.

  D. It provides end-to-end forwarding of datagrams.

  Correct Answer: B

• Question 43:

  Which tier of Internet service providers can reach any part of the Internet without having to purchase transit

  services from other Internet service providers?

  A. A Tier 1 ISP

  B. A Tier 2 ISP

  C. A Tier 3 ISP

  D. Tier 1 and Tier 2 ISPs

  Correct Answer: A

• Question 44:

  What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?

  A. MAC address of the default gateway.

  B. IP addresses of other DHCP clients.

  C. IP addresses offered to the client.

  D. IP addresses of all DHCP servers.

  Correct Answer: C

• Question 45:

  What problem was Spanning Tree Protocol (STP) primarily designed to solve?

  A. Broadcast storms caused by redundancy in Layer 2 networks.

  B. Missing protocol field in the Ethernet header.

  C. Missing sequence number in the Ethernet header.

  D. Unreliable data transfer in Layer 2 networks.

  Correct Answer: A

• Question 46:

  What type of VPN service does a VPWS provide?

  A. Layer 3 direct internet access service

  B. Layer 3 IP routed service

  C. Layer 2 point-to-point service

  D. Layer 2 multipoint service

  Correct Answer: C

• Question 47:

  What operation is performed by an egress Label Edge Router (eLER) when it receives an MPLS labeled packet?

  A. It forwards the packet to the next LSR without altering the MPLS label.

  B. It swaps the MPLS label and forwards the packet to the next LSR.

  C. It pushes a new MPLS label and forwards the packet to the next LSR.

  D. It pops the MPLS label and forwards the packet to the next IP router.

  Correct Answer: D

• Question 48:

  Which of the routers is the iLER for LSP B?

  

  A. Router R1

  B. Router R2

  C. Router R3

  D. Router R4

  Correct Answer: B

• Question 49:

  Which of the following statements about SDPs is FALSE?

  A. The same SDP ID can be used on multiple routers.

  B. Each service requires a unique SDP.

  C. SDPs are not configured on P routers.

  D. SDPs are not configured on CE devices.

  Correct Answer: D

• Question 50:

  Which of the following statements about VPWS service on a Nokia 7750 SR is FALSE?

  A. VPWS is a simple point-to-point service.

  B. VPWS emulates a Layer 2 connection between two customers.

  C. VPWS does not perform MAC learning.

  D. VPWS encapsulates Layer 2 frames into IP datagrams.

  Correct Answer: D