Nokia 4A0-C01 Online Practice Questions and Exam Preparation

Nokia 4A0-C01 Online Questions & Answers

• Question 211:

  What happens by default on an Alcatel-Lucent 7750 SR when a VPLS accepts a tagged frame at the ingress SAP 1/1/1:100?

  A. The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network.
  B. The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network.
  C. The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network.
  D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.
  D. The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network.

• Question 212:

  Which of the following about VPRN VRF tables is FALSE?

  A. A PE uses the same VRF table for all the VPRN services on it.
  B. A PE uses a VRF to maintain forwarding information.
  C. Information for VRFs can be advertised between PEs by MP-BGP.
  D. A PE uses a VRF to route traffic to CEs.
  A. A PE uses the same VRF table for all the VPRN services on it.

• Question 213:

  Which of the following regarding MPLS encapsulation for VPRN services is TRUE?

  A. The customer's Layer 3 header is removed at the iLER.
  B. The customer's Layer 2 header is removed at the iLER.
  C. The customer's Layer 3 header is removed at the eLER.
  D. The customer's Layer 2 header is removed at the eLER.
  A. The customer's Layer 3 header is removed at the iLER.

• Question 214:

  Click on the exhibit.

  

  Two LSPs traverse the path R1-R2-R3. Both LSPs are configured with facility fast reroute and link protection. When router R1 is the PLR, which router becomes the Merge Point (MP) for this LSP?

  A. Router R1
  B. Router R2
  C. Router R3
  D. Router R4
  E. Router R5
  B. Router R2

• Question 215:

  In MPLS, labels are distributed in the opposite direction of the data flow.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 216:

  Identify two attributes of Distance Vector Protocols: (Choose two)

  A. Use split horizon by default.
  B. Send information about directly connected links to neighbors at periodic intervals.
  C. Use holddown timers when topologies change to allow for convergence.
  D. Maintain multiple databases: neighbor, topology and routing.
  A. Use split horizon by default.
  C. Use holddown timers when topologies change to allow for convergence.

• Question 217:

  Click on the exhibit.

  

  The operator of an IS-IS network wishes to have link metrics dynamically calculated in the same manner as OSPF. The router with system address 10.10.10.1 is one hop away on a 1Gbps link Which of the following is correct?

  A. The router is correctly configured.
  B. Neither a reference-bandwidth nor wide-metrics is configured on the router.
  C. A reference-bandwidth is configured on the router but wide-metrics is not.
  D. Wide-metrics is configured on the router but a reference-bandwidth is not.
  C. A reference-bandwidth is configured on the router but wide-metrics is not.

• Question 218:

  During node protection signaling, the PLR knows the address of the MP from which of the following methods?

  A. The PLR issues a RSVP path message to the destination router to request the address of the MP.
  B. The PLR learns the address of the MP from the ERO.
  C. The PLR learns the address of the MP from the RRO
  D. The PLR learns the address of the MP from the targeted RSVP hello message.
  E. The PLR does not need to know the address of the MP.
  C. The PLR learns the address of the MP from the RRO

• Question 219:

  An Alcatel-Lucent 7750 SR has its TE update threshold enabled with the up threshold set to 40%. The maximum reservable bandwidth on the link is 200M and 30M have already been reserved. When will a TE update be sent on this link?

  A. When the reserved bandwidth goes above 80M.
  B. When the reserved bandwidth goes above 40M.
  C. When an additional 80M bandwidth is reserved.
  D. When an additional 40M bandwidth is reserved.
  A. When the reserved bandwidth goes above 80M.

• Question 220:

  Which protocol is used to signal the service label for a Layer 3 VPRN service?

  A. L-LDP
  B. T-LDP
  C. RSVP-TE
  D. MP-BGP
  D. MP-BGP