Nokia 4A0-106 Online Practice Questions and Exam Preparation

Nokia 4A0-106 Online Questions & Answers

• Question 91:

  What mechanism allows routes to be shared between customers in different VPRNs?

  A. The routes to be shared are identified by common route targets
  B. The routes to be shared are identified by common route distinguishers
  C. The routes to be shared are identified by common AS numbers
  D. The routes to be shared are identified by common VPN labels
  A. The routes to be shared are identified by common route targets

• Question 92:

  Click the exhibit.

  

  A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. If CE1 sends an IP packet to 192.168.200.1, which of the following is FALSE?

  A. PE1 pushes a VPN label, a BGP label, and an LDP transport label on the IP packet.
  B. CSC-CE1 pops the LDP label and swaps the BGP label.
  C. CSC-PE1 pops the BGP label, swaps the VPN label, and pushes an LDP transport label.
  D. CSC-PE2 pops the LDP and VPN labels and pushes a BGP label.
  C. CSC-PE1 pops the BGP label, swaps the VPN label, and pushes an LDP transport label.

• Question 93:

  How are local CE routes associated with the appropriate VRF at the PE?

  A. Based on the interface on which they are received.
  B. Based on the Route Distinguisher.
  C. Based on the Route Target.
  D. Based on the Service Identifier.
  A. Based on the interface on which they are received.

• Question 94:

  In a Carrier Supporting Carrier (CSC) VPRN, which of the following is NOT a benefit to the network provider?

  A. The solution scales as the number of VPNs offered by the customer carriers increases.
  B. The solution scales as the number of end-customer routes increases.
  C. There is no need to manage end-customer services.
  D. The solution scales as the number of serviced customer carriers increases.
  D. The solution scales as the number of serviced customer carriers increases.

• Question 95:

  Click the exhibit.

  

  The policy shown is configured on an Alcatel-Lucent 7750 SR to implement an extranet VPRN between the main sites of two separate VPRNs. Route target "target:65100:2" is used for Customer 1 routes, and route target "target:65100:3" is used for Extranet routes. How should this policy be applied?

  A. The policy should be applied as an import policy on the PE connected to the main site of Customer 1.
  B. The policy should be applied as an import policy on all the PEs connected to the sites of Customer 1.
  C. The policy should be applied as an export policy on the PE connected to the main site of Customer 1.
  D. The policy should be applied as an export policy on all the PEs connected to the sites of Customer 1.
  A. The policy should be applied as an import policy on the PE connected to the main site of Customer 1.

• Question 96:

  In a VPRN, what type of logical topology is required for the BGP sessions configured in the provider core?

  

  A. Full mesh between all CE, PE and P devices
  B. Full mesh between PE and P devices
  C. Full mesh of P devices
  D. Full mesh of PE devices
  E. Full mesh between PE and CE devices
  D. Full mesh of PE devices

• Question 97:

  Which of the following about the maximum number of routes that can be accepted in a VRF for a VPRN service on the Alcatel-Lucent 7750 SR is FALSE?

  A. The Alcatel-Lucent 7750 SR allows the setting of the maximum number of routes that can be accepted in a VRF for a VPRN service.
  B. The "maximum-routes" command is used to specify the maximum number of remote routes that can be held within a VRF for a VPRN service.
  C. When the "maximum-routes" command is used with the "log-only" parameter, new routes are still learned.
  D. Once the "threshold" value is reached, no new routes are added to the VRF.
  D. Once the "threshold" value is reached, no new routes are added to the VRF.

• Question 98:

  When configuring the CE with the selected CE-PE routing protocol on an Alcatel-Lucent 7750 SR, which of the following statements is true? (Choose three.)

  

  

  A. The protocol is configured under the config>service context
  B. The protocol is configured under the global router context
  C. The interface leading to the PE is defined as a protocol neighbor
  D. The routing protocol used must be the same as the routing protocol used at other CE-PE locations in the same VPN.
  E. A routing policy may or may not be required depending on the routing requirements and routing protocol
  B. The protocol is configured under the global router context
  C. The interface leading to the PE is defined as a protocol neighbor
  E. A routing policy may or may not be required depending on the routing requirements and routing protocol

• Question 99:

  Based on the VPRN BGP decision process, which of the following routes is selected first if the command "PE1>config>service>vprn> bgp best-path-selection as-path-ignore" is executed?

  A. The route learned from an eBGP peer.
  B. The route with the lowest Origin.
  C. The route with the lowest originator ID or BGP Identifier.
  D. The route with the shortest AS path.
  B. The route with the lowest Origin.

• Question 100:

  Which of the following statements best describes the output from an Alcatel-Lucent 7750 SR shown below?

  A. The BGP session from PE to P is not operational
  B. The BGP session between PEs is operational
  C. The BGP session between PE and CE is not operational
  D. The BGP session from PE to CE is operational
  E. The BGP session between PEs is not operational
  D. The BGP session from PE to CE is operational