Nokia Nokia Certifications 4A0-105 Questions & Answers

• Question 121:

  If a management VPLS is administratively disabled what will be the status of the associated user VPLS SAPs?

  A. Regular semantics will apply. It will be as if the SAP doesn't belong to a management VPLS.

  B. All user VPLS SAPs will be disabled/pruned.

  C. It is not possible to administratively disable a management VPLS.

  D. Spanning tree will be automatically enabled on the user VPLS SAPs.

  Correct Answer: B

• Question 122:

  MC-LAG is only supported on network ports.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 123:

  Which protocol is used to signal the status of the active links between the PE and the CE in MC- LAG?

  A. MSTP

  B. MCLAG

  C. LACP

  D. DHCP

  E. A proprietary protocol

  Correct Answer: C

• Question 124:

  MC-LAG provides link and node protection from an MDU to 3 or more PE devices.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 125:

  Click on the exhibit below.

  

  The MDU attached to this PE has been configured with active/standby SDP's configuration option has been configured for the PE to recognize that this SDP is in standby mode?

  A. On the PE the endpoint has been configured with "supress-standby-signalling"

  B. On the PE the endpoint has been configured with "no supress-standby-signalling"

  C. On the MDU the endpoint has been configured with "supress-standby-signalling"

  D. On the MDU the endpoint has been configured with "no supress-standby-signalling1

  Correct Answer: D

• Question 126:

  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.

  Correct Answer: B

• Question 127:

  In RSTP, an alternate port is on the same switch as a designated Port.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 128:

  Two management VPLSs have been created. mVPLS 1 and mVPLS 2. Two user VPLS services exist. uVPLS 10 and uVPLS 20. What command can be used to determine which management VPLS is managing uVPLS 10?

  A. show stp 10

  B. show service vpls 1 stp

  C. show service id 10 stp

  D. show service id 1 stp or show service id 2 stp

  Correct Answer: C

• Question 129:

  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.

  Correct Answer: B

• Question 130:

  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.

  Correct Answer: AD