Nokia 4A0-105 Online Practice Questions and Exam Preparation

Nokia 4A0-105 Online Questions & Answers

• Question 91:

  Which service component in the data plane uniquely identifies a VPLS to the far end PE node?

  A. SDP id
  B. Service ID
  C. VC Label
  D. Tunnel Label
  E. Customer id
  C. VC Label

• Question 92:

  Click on the exhibit below.

  

  Which SDP on R3 will MAC addresses be associated with for devices behind R2?

  A. It depends if traffic is received via R4 or R1 from devices behind R2.
  B. The devices cannot communicate based on the configuration in the diagram so there will be no mac address association.
  C. Devices behind R2 will be associated with the sdp between R3 and R1.
  D. Devices behind R2 will be associated with the sdp between R3 and R4.
  C. Devices behind R2 will be associated with the sdp between R3 and R1.

• Question 93:

  The command "send flush-on-failure" has been enabled within a VPLS instance. What does the PE do upon detection of a SAP failure within the VPLS?

  A. The PE sends an LDP control message that flushes all FDB entries in the VPLS instance.
  B. The PE sends an LDP control message that flushes all FDB entries in the VPLS instance that are associated with the PE that detected the failure.
  C. The PE flushes it's local FDB only.
  D. The PE sends an oam service message that flushes all FDB entries in the VPLS instance.
  B. The PE sends an LDP control message that flushes all FDB entries in the VPLS instance that are associated with the PE that detected the failure.

• Question 94:

  Click on the exhibit below.

  

  Based on the output below which of the following statements is true? (Choose 2)

  A. VPLS1500 is a user VPLS.
  B. VPLS 1500 is management VPLS.
  C. Spanning tree BPDUs for the management VPLS are tagged.
  D. Spanning tree BPDUs for the management VPLS are untagged.
  A. VPLS1500 is a user VPLS.
  D. Spanning tree BPDUs for the management VPLS are untagged.

• Question 95:

  Fill in the blank for this next sentence. Flooded traffic received on any ____________ in the service is replicated to other spoke SDPs and SAPs and not transmitted on any mesh SDPs.

  A. Spoke SDP
  B. Mesh SDP
  C. Either (a) or (b) will make this sentence true.
  D. Neither (a) nor (b) will make this sentence true.
  B. Mesh SDP

• Question 96:

  How do user VPLSs become associated with a management VPLS for redundant spoke-sdp connections?

  A. The association must be defined in the user VPLS service.
  B. The association is done when the user VPLS is associated with the same sdp-id in the management VPLS
  C. The association is based on service IDs.
  D. The association is based on customer IDs.
  B. The association is done when the user VPLS is associated with the same sdp-id in the management VPLS

• Question 97:

  How can one ensure that a specific switch will be select as root in an STP network?

  A. Set the bridge priority to 131071.
  B. Set the bridge priority to 0.
  C. Set the bridge priority to 32768.
  D. Leave the bridge priority as the default.
  B. Set the bridge priority to 0.

• Question 98:

  Click on the exhibit below.

  

  Which ports will become root ports? (Choose 3)

  A. Bridge B 1/1/3
  B. Bridge B 1/1/2
  C. Bridge C 1/1/2
  D. Bridge C 2/1/1
  E. Bridge D 1/1/1
  F. Bridge D 1/1/3
  G. Bridge E 1/1/1
  H. Bridge E 1/1/3
  A. Bridge B 1/1/3
  D. Bridge C 2/1/1
  F. Bridge D 1/1/3

• Question 99:

  Click on the exhibit below.

  

  The following VPLS services and SAPs have been configured. Which of the following statements is true?

  A. All untagged frames will be dropped.
  B. The source MAC address of a frame with a top tag of 200 and bottom tag of 300 will be populated in VPLS 3.
  C. All frames with more than one tag will be dropped.
  D. The source MAC address of a frame with a single tag of 500 will be populated in VPLS 1.
  E. The source MAC address of a frame with a top tag of 100 will be populated in VPLS 2.
  E. The source MAC address of a frame with a top tag of 100 will be populated in VPLS 2.

• Question 100:

  What action will be taken when an Ethernet switch receives a frame with a known DA and an outer Ethertype value of 0x0800 on a dot1q encapsulated port?

  A. The frame will be forwarded out the port associated with the DA.
  B. The frame will be discarded.
  C. The frame will be flooded to all ports.
  D. The frame will be fragmented and forwarded out the port associated with the DA.
  B. The frame will be discarded.