Nokia 4A0-106 Online Practice Questions and Exam Preparation

Nokia 4A0-106 Online Questions & Answers

• Question 171:

  When a routing protocol is configured as the PE-CE protocol at one site of a customer VPRN, the same routing protocol must be configured as the PE-CE protocol at all other sites of the same customer VPRN.

  A. True
  B. False
  B. False

• Question 172:

  Which of the following describes the goal of an Extranet VPRN?

  A. To reduce the number of VPRN tunnels required.
  B. To allow routes to be exchanged between all, or selected, sites of one VPRN, and all, or selected, sites of a second VPRN.
  C. To simplify the administration of multiple VPRNs.
  D. To allow network access between the headquarter sites of each VPRN service and a shared VPRN service offered by a third party.
  B. To allow routes to be exchanged between all, or selected, sites of one VPRN, and all, or selected, sites of a second VPRN.

• Question 173:

  VPN-IPv4 addressing is made unique by defining an address structure consisting of:

  A. A 32 bit IPv4 address followed by a 64 bit Route Target
  B. A 32 bit IPv4 address followed by a 64 bit Route Distinguisher
  C. A 64 bit Route Target followed by a 32 bit IPv4 address
  D. A 64 bit Route Distinguisher followed by a 32 bit IPv4 address
  E. A 32 bit Route Distinguisher followed by a 32 bit IPv4 address FA 32 bit Route Target followed by a 32 bit IPv4 address
  D. A 64 bit Route Distinguisher followed by a 32 bit IPv4 address

• Question 174:

  Which of the following about BGP loops in a VPRN environment is TRUE?

  A. Traditional BGP loop detection mechanisms are unable to detect a loop in a VPRN scenario.
  B. BGP loops are detected in a VPRN when the customer has separate sites using the same BGP autonomous system number.
  C. The Alcatel-Lucent 7750 SR rejects routes containing AS_PATH loops by default.
  D. When "remove-private" is configured at a PE, all routes received from the associated CE will have private AS numbers removed.
  B. BGP loops are detected in a VPRN when the customer has separate sites using the same BGP autonomous system number.

• Question 175:

  Click the exhibit.

  

  The headquarter sites of VPRN 10 and VPRN 20 are part of an extranet VPRN. Which route targets should be exported under the VPRN 20 service on router R1?

  A. target:65100:2 and target:65100:3
  B. target:65100:1 and target:65100:2
  C. target:65100:1 and target:65100:3
  D. target:65100:1, target:65100:2 and target:65100:3
  A. target:65100:2 and target:65100:3

• Question 176:

  Which method does the Alcatel-Lucent 7750 SR use for the allocation of VPRN labels?

  A. One label per route
  B. One label per next-hop
  C. One label per VRF
  D. One label per prefix
  E. One label per tunnel
  C. One label per VRF

• Question 177:

  Which of the following about the Route Target is TRUE?

  A. The Route Target is added to an IPv4 route to create the VPN-IPv4 route.
  B. The Route Target is an extended community string that identifies VPN membership.
  C. A route can have only one Route Target.
  D. The Route Target is a 64-bit value added to customer prefixes to make them unique.
  B. The Route Target is an extended community string that identifies VPN membership.

• Question 178:

  Click the exhibit.

  

  Internet access using route leaking between the VRF and the global routing table is configured in the network. Which of the following is the correct output of route 192.168.50.1 in the global routing table of PE3?

  A. A
  B. B
  C. C
  D. D
  B. B

• Question 179:

  When using the AS-override method to prevent BGP loops in VPRNs, where should the "as-override" CLI command be configured?

  A. On the PE facing the CE neighbor
  B. On the CE facing the PE neighbor
  C. On the P facing the PE neighbor
  D. On the PE facing the PE neighbor
  A. On the PE facing the CE neighbor

• Question 180:

  Based on the VPRN BGP decision process, which of the following routes is selected first?

  A. The route with the shortest AS path.
  B. The route with the lowest route or tunnel table cost to the NEXT_HOP.
  C. The route with the highest local preference.
  D. The route with the lowest originator ID or BGP identifier.
  C. The route with the highest local preference.