Nokia 4A0-105 Online Practice Questions and Exam Preparation

Nokia 4A0-105 Online Questions & Answers

• Question 41:

  Which failure scenario is NOT supported by IEEE 802.lag?

  A. Loss of connectivity.
  B. Unidirectional Loss.
  C. Loop detection.
  D. Merged Services.
  E. End-to-end bit error rates.
  E. End-to-end bit error rates.

• Question 42:

  Click on the exhibit below.

  

  Given the following configuration, which service type will VPLS 1 and VPLS 100 be displayed as with the "show service service-using" command?

  A. VPLS 1 will be displayed as mVPLS and VPLS 100 will be displayed as VPLS.
  B. VPLS 1 will be displayed as mVPLS and VPLS 100 will be displayed as uVPLS
  C. VPLS 1 will be displayed as VPLS and VPLS 100 will be displayed as VPLS.
  D. VPLS 1 will displayed VPLS and VPLS 100 will be displayed as uVPLS.
  A. VPLS 1 will be displayed as mVPLS and VPLS 100 will be displayed as VPLS.

• Question 43:

  What needs to be configured in a VPLS in order to forward customer STP BPDUs transparently?

  A. Spanning tree must be enabled within the VPLS.
  B. Spanning tree BPDUs must be untagged.
  C. Spanning tree BPDUs must be tagged.
  D. Spanning tree must be disabled within the VPLS.
  D. Spanning tree must be disabled within the VPLS.

• Question 44:

  Which of the following statements about a management VPLS are true? (Choose 2)

  A. A management VPLS carries customer traffic over the non-blocking spoke-SDP
  B. A VPLS service must be defined as a management VPLS upon creation to take on the role of a management VPLS
  C. The state of a spoke-SDP within a user VPLS will take on the state of the spoke-sdp within the management VPLS.
  D. The management VPLS must be created before the user VPLS.
  B. A VPLS service must be defined as a management VPLS upon creation to take on the role of a management VPLS
  C. The state of a spoke-SDP within a user VPLS will take on the state of the spoke-sdp within the management VPLS.

• Question 45:

  Which physical topology is NOT commonly deployed in today's VPLS networks?

  A. Ring topologies.
  B. Metro-to-metro topologies
  C. H-VPLS topologies.
  D. Partial-mesh topologies.
  D. Partial-mesh topologies.

• Question 46:

  A customer has requested a VPLS service. The customer is using dot1q encapsulation and they have requested that all vlan tags be transparently passed. Which two SAP IDs will accept VLAN tags and pass them transparently? (Choose 2)

  A. sap 1/1/1
  B. sap 1/1/1:0*
  C. sap 1/1/1:0
  D. sap 1/1/1:*
  A. sap 1/1/1
  D. sap 1/1/1:*

• Question 47:

  How is MAC learning achieved in traditional Ethernet switches?

  A. As frames leave the switch, the DA is populated into the FDB.
  B. As frames enter the switch, the DA is populated into the FDB.
  C. As frames leave the switch, the SA is populated into the FDB.
  D. As frames enter the switch, the SA is populated into the FDB.
  D. As frames enter the switch, the SA is populated into the FDB.

• Question 48:

  The service mtu of a VPLS is set to 9100. What is the recommended MTU value that can be set for the access port assuming dot1q encapsulation?

  A. 9100
  B. 9104
  C. 9108
  D. 9122
  E. 9126
  B. 9104

• Question 49:

  What are the benefits of a hierarchical VPLS architecture? (Choose 3)

  A. Increases scalability
  B. Reduces the FDB size within a VPLS instance
  C. Reduces replication and bandwidth utilization from the MDU device to the core network
  D. Easier to manage
  E. Reduces the routing table size
  A. Increases scalability
  C. Reduces replication and bandwidth utilization from the MDU device to the core network
  D. Easier to manage

• Question 50:

  An l-VPLS can be associated with many B-VPLS services.

  A. TRUE
  B. FALSE
  B. FALSE