Nokia 4A0-105 Online Practice Questions and Exam Preparation

Nokia 4A0-105 Online Questions & Answers

• Question 81:

  What of the following is a key benefit of Active/Standby pseudowires?

  A. The MDU does not need to support MPLS.
  B. Can be used in ring networks of 4 or more nodes
  C. Does not require the use of a layer 2 loop prevention protocol such as RSTP
  D. The MDU does not have to be aware of the active/standby configuration
  C. Does not require the use of a layer 2 loop prevention protocol such as RSTP

• Question 82:

  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
  C. LACP

• Question 83:

  Click on the exhibit below.

  

  Assume PE-B expects avian tag as part of the RFC 4762 (Martini) encapsulation. How must PE- A be configured?

  A. The port that the SAP belongs to must have the correct ether type configured.
  B. The SAP must be configured with the right VLAN tag.
  C. The SDP VC type must be configured as type VLAN and the correct vlan-vc-tag must be specified.
  D. All of the above.
  C. The SDP VC type must be configured as type VLAN and the correct vlan-vc-tag must be specified.

• Question 84:

  When ports configured with IEEE 802.3ah EFM are operationally down, what must the device do before declaring the ports are up?

  A. The device will try to force the other side up using the evaluating flag in the PDU.
  B. The device will wait for the trasmit-interval of 5 before trying to rediscover the neighbor.
  C. The device will detect the port change and will wait for normal operation mode.
  D. The device will detect the port change and revert to discovery mode.
  D. The device will detect the port change and revert to discovery mode.

• Question 85:

  Click on the exhibit below.

  

  Which port will become the alternate port?

  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
  B. Bridge B 1/1/2

• Question 86:

  Which of the following must be true in order to add a port to a LAG? (Choose 2)

  A. ports must be on the same MDA
  B. ports must have the same speed and duplex settings
  C. auto negotiation must be on
  D. auto negotiation must be off or limited
  E. port must be in access mode only
  B. ports must have the same speed and duplex settings
  D. auto negotiation must be off or limited

• Question 87:

  Click on the exhibit below.

  

  Study the diagram shown. What consideration should be given to the transport tunnel of SDP 300?

  A. The SDP must be configured to use GRE encapsulation.
  B. The SDP must follow the same path as the user's SDP.
  C. The SDP should be configured to use an RSVP signaled transport with fast reroute.
  D. The SDP must be the same as the user's SDP.
  C. The SDP should be configured to use an RSVP signaled transport with fast reroute.

• Question 88:

  Click on the exhibit below.

  

  Based on the output below which of the following statements is true?

  A. This Bridge is furthest from the Root Bridge within the VPLS mesh.
  B. This Bridge is the Root Bridge.
  C. SAP 1/1/1 is an Edge Port.
  D. This Bridge is closest to the Root Bridge within the VPLS mesh.
  D. This Bridge is closest to the Root Bridge within the VPLS mesh.

• Question 89:

  What is the MTU impact on the SDP path-mtu if fast reroute facilities-mode is implemented on the LSP?

  A. There will be no impact on the path-mtu.
  B. The path-mtu will decrease by4 bytes.
  C. The path-mtu will increase by 4 bytes.
  D. The path-mtu will decrease by 8 bytes.
  E. The path-mtu will increase by 8 bytes.
  B. The path-mtu will decrease by4 bytes.

• Question 90:

  What type of SDP cannot be configured in an l-VPLS?

  A. Mesh-sdp
  B. Spoke-sdp
  C. MPLS
  D. GRE
  A. Mesh-sdp