Nokia 4A0-105 Online Practice Questions and Exam Preparation

Nokia 4A0-105 Online Questions & Answers

• Question 151:

  In RSTP, how is the root bridge selected?

  A. The switch with the highest bridge-id is selected as root.
  B. The switch with the lowest bridge-id is selected as root.
  C. The switch with the highest MAC address is selected as root
  D. The switch with the lowest MAC address is selected as root.
  B. The switch with the lowest bridge-id is selected as root.

• Question 152:

  The service-mtu of a VPLS using MPLS encapsulation is set to 9100. What is the minimum MTU value that can be set for the network port if fast re-route facility mode is used on the SDP LSP?

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

• Question 153:

  How does PBB forward broadcast, unknown-unicast and multicast traffic from a B-VPLS to an l-VPLS?

  A. The receiving PE checks the l-TAG in the l-SID to determine if there is a local l-VPLS on the node.
  B. The receiving PE checks the l-SID in the l-TAG to determine if there is a local l-VPLS on the node.
  C. The receiving PE checks the service label in the mpls header to determine if there is a local l- VPLS on the node.
  D. The receiving PE checks the multicast B-DA to see if an l-SID has been mapped to the B-DA that matches a local l-VPLS on the node.
  D. The receiving PE checks the multicast B-DA to see if an l-SID has been mapped to the B-DA that matches a local l-VPLS on the node.

• Question 154:

  In RSTP, which state do all ports initialize in?

  A. Designated
  B. Discarding
  C. Listening
  D. Root
  E. Forwarding
  B. Discarding

• Question 155:

  Click on the exhibit below.

  

  Which bridge will become the root bridge?

  A. Bridge B
  B. Bridge C
  C. Bridge D
  D. Bridge E
  D. Bridge E

• Question 156:

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

  A. TRUE
  B. FALSE
  B. FALSE