Nokia 4A0-105 Online Practice Questions and Exam Preparation

Nokia 4A0-105 Online Questions & Answers

• Question 11:

  Assuming TLDP and RSVP are both being used in an MPLS network core which of the following statements is true?

  A. TLDP is used to create the inner label, RSVP is used to create the outer label.
  B. TLDP is used to create the outer label, RSVP is used to create the inner label.
  C. TLDP and RSVP cannot be used in the same network since they both provide the same label.
  D. When RSVP is used, TLDP must be disabled and static vc labels should be used.
  E. TLDP and RSVP can be used to create either labels based on how they are configured.
  A. TLDP is used to create the inner label, RSVP is used to create the outer label.

• Question 12:

  After the "disable-learning" command has been executed at the VPLS level, a new client device originates a frame. What is the result?

  A. If the MAC address of this new client device does not reach the upper limit of the configured total number of MAC addresses allowed in the VPLS forwarding database, then the new MAC address will be stored.
  B. The new source MAC addresses will not be entered in the VPLS service forwarding database.
  C. New local source MAC addresses will not be entered in the VPLS service forwarding database, but new remote MAC addresses would continue to be entered.
  D. New remote source MAC addresses will not be entered in the VPLS services forwarding database, but new local MAC addresses would continue to be entered.
  B. The new source MAC addresses will not be entered in the VPLS service forwarding database.

• Question 13:

  Which of the following describes the overhead added to a customer frame on an Ethernet link in a VPLS service on the Alcatel-Lucent 7750 SR?

  A. The overhead consists of 26 bytes. 14 DLC + 2 Ethertype + 8 for mpls labels + 2 for GRE
  B. The overhead consists of 14 bytes for DLC.
  C. The overhead consists of 18 bytes. 14 DLC +4 for mpls labels
  D. The overhead consists of 22 bytes. 14 DLC + 8 for mpls labels
  D. The overhead consists of 22 bytes. 14 DLC + 8 for mpls labels

• Question 14:

  When deploying Active/Standby pseudowires, the CE does not require any special configuration

  A. TRUE
  B. FALSE
  B. FALSE

• Question 15:

  Which PDU type is sent periodically over a link in the IEEE 802.3ah EFM as a method of keepalive?

  A. Event notification.
  B. Loopback control.
  C. Information.
  D. Variable request.
  E. Variable response.
  C. Information.

• Question 16:

  Which of the following is a true statement?

  A. The lower the age-time, the greater the amount of flooding
  B. The higher the age-time, the greater the amount of flooding.
  C. The lower the age-time, the lower the amount of flooding.
  D. There is no relationship between the age-time and the amount of flooding.
  A. The lower the age-time, the greater the amount of flooding

• Question 17:

  How many designated ports are there in a spanning tree topology?

  A. The same as the number of alternate ports in the topology
  B. 1 per segment
  C. The same as the number of root ports
  D. 1 per switch
  B. 1 per segment

• Question 18:

  

  Which of the following features can be enabled to eliminate MAC instability when using policy- based forwarding to redirect traffic to a Layer 2 DPI device?

  A. discard-unknown
  B. mac-move
  C. disable-learning
  D. enable-mac-stability
  C. disable-learning

• Question 19:

  An l-VPLS is configured with a service id of 511. What will the value of the l-SID be assuming a default configuration?

  A. The 1-SID must be explicitly configured.
  B. The 1-SID only supports a range from 1 to 255.
  C. The 1-SID will default to 511 .the value of the service-id.
  D. Thel"SIDwilldefaultto131582, the value of the service-id + 131071.
  C. The 1-SID will default to 511 .the value of the service-id.

• Question 20:

  One of the shortcomings of Spanning Tree Protocol (STP) is that it computes a valid, but not necessarily optimal, path between nodes within a network.

  A. TRUE
  B. FALSE
  A. TRUE