Nokia 4A0-C01 Online Practice Questions and Exam Preparation

Nokia 4A0-C01 Online Questions & Answers

• Question 511:

  Which of the following statements best describes downstream unsolicited label distribution?

  A. An LER may answer requests for label mappings immediately, without waiting for a label mapping from the next-hop.
  B. An LER may advertise label mappings to all peers for which it might be a next-hop for a given FEC.
  C. An LER propagates a label mapping downstream for a FEC. only if it has a label mapping for the FEC next-hop.
  D. An LER will only distribute a label for a FEC when it has been requested to do so.
  B. An LER may advertise label mappings to all peers for which it might be a next-hop for a given FEC.

• Question 512:

  Which of the following about RSVP refresh reduction on a Nokia 7750 SR is FALSE?

  A. RSVP generates a summary refresh message for each LSP.
  B. Message-IDs replace individual refresh messages.
  C. An LSP state change causes the Message-ID to be incremented.
  D. RSVP refresh reduction is disabled by default.
  A. RSVP generates a summary refresh message for each LSP.

• Question 513:

  Which of the following about VPRNs is FALSE?

  A. A VPRN is a Layer 3 service.
  B. A PE maintains a separate forwarding table for each VPRN.
  C. The service provider manages the customers IP addressing.
  D. Multiple VPRNs can be deployed over the same IP/MPLS network infrastructure.
  C. The service provider manages the customers IP addressing.

• Question 514:

  Given the output below, which of the following is FALSE?

  

  A. A packet arriving with label 262142 will be forwarded out interface 1/1/3 with label 262143.
  B. The router is an egress router for FEC 10.10.10.1/32.
  C. There are multiple LSPs to reach FEC 10.10.10.4/32.
  D. The router's system address is 10.10.10.3/32.
  A. A packet arriving with label 262142 will be forwarded out interface 1/1/3 with label 262143.

• Question 515:

  What modes of authentication are supported for RIPv2 on the Alcatel-Lucent 7750 SR?

  A. RIPv2 supports basic and MD5 authentication only.
  B. RIPv2 supports password and MD5 authentication only.
  C. RIPv2 does not support authentication, password and MD5 authentication.
  D. RIPv2 does not support authentication.
  C. RIPv2 does not support authentication, password and MD5 authentication.

• Question 516:

  This policy is applied as an LDP export policy. In addition to the FECs learned from its neighbors, which FECs will appear in this router's LIB?

  

  A. All FECs with a prefix of 192.168.1.0/30.
  B. Local FECs with a prefix of 192.168.1.0/30.
  C. All FECs excluding 192.168.1.0/30.
  D. Local FECs excluding 192.168.1.0/30.
  D. Local FECs excluding 192.168.1.0/30.

• Question 517:

  Click the exhibit button.

  

  If router R2 redistributes the IS-IS route to 192.168.3.0/24 into OSPF, router R3 will receive two routes to 192.168.3.0/24. What will be the preference of these two routes? Assume that all IS-IS routers are L1/L2 capable and are in the same area. Choose two answers.

  A. The OSPF internal preference
  B. The IS-IS Level 1 internal preference
  C. The IS-IS Level 2 internal preference
  D. The OSPF external preference
  E. The IS-IS Level 2 external preference
  F. The IS-IS Level 1 external preference
  B. The IS-IS Level 1 internal preference
  D. The OSPF external preference

• Question 518:

  Click on the exhibit.

  

  RSVP session state for LSP 1 has timed out on router R3. Which of the following actions will router R3 initiate to clear the RSVP session?

  A. Send a PATH Tear message toward router R6.
  B. Send a PATH Tear message toward router R1.
  C. Send a PATH Error message toward router R6.
  D. Send a PATH Error message toward router R1.
  D. Send a PATH Error message toward router R1.

• Question 519:

  What happens by default on an Alcatel-Lucent 7750 SR when a null encapsulated SAP receives a frame with a VLAN tag?

  A. The original VLAN tag is removed.
  B. The original VLAN tag is kept.
  C. The VLAN tag is replaced by a provider tag.
  D. The VLAN tag is kept and a provider tag is added.
  B. The original VLAN tag is kept.

• Question 520:

  A targeted-LDP session may exist between directly connected or non-directly connected devices

  A. TRUE
  B. FALSE
  A. TRUE