Nokia 4A0-106 Online Practice Questions and Exam Preparation

Nokia 4A0-106 Online Questions & Answers

• Question 71:

  In a traditional layer 3 VPN which of the following will be an issue when there is overlapping address space between two customers? Choose the best answer.

  A. There will be increased memory usage on the PE
  B. There will be increased CPU utilization on the PE
  C. The CE will reject the overlapping prefix
  D. The PE will not recognize the prefixes as being different
  E. There is no issue with overlapping address space in a traditional Layer 3 VPN
  D. The PE will not recognize the prefixes as being different

• Question 72:

  After configuring OSPF as the PE to CE routing protocol for a VPRN service you get the following output from an Alcatel-Lucent 7750 SR: What is most likely wrong with the configuration?

  

  A. OSPF is not configured on the CE router
  B. There is a problem with OSPF authentication
  C. The operational MTU does not match
  D. The PE and CE router have different OSPF interface types configured
  E. None of the above
  C. The operational MTU does not match

• Question 73:

  Click the exhibit.

  

  A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. Which of the following describes the routes present in PE1's global routing table?

  A. The system address of PE2 is present. The system addresses of CSC-PE1 and CSC-PE2 are not present.
  B. The system addresses of PE2, CSC-PE1 and CSC-PE2 are all present.
  C. The system address of CSC-CE1, the route 192.168.10.1, and the route 192.168.20.1 are all present.
  D. The system address of PE2 and the route 192.168.20.1 are present.
  A. The system address of PE2 is present. The system addresses of CSC-PE1 and CSC-PE2 are not present.

• Question 74:

  Which of the following is NOT a viable option when implementing inter-AS VPRN?

  A. MP-eBGP exchange of VPN-IPv4 routes between ASBRs residing in different autonomous systems.
  B. MP-eBGP exchange of labeled IPv4 routes between route reflectors residing in different autonomous systems.
  C. A VRF-to-VRF connection at the autonomous system border routers.
  D. MP-eBGP exchange of VPN-IPv4 routes between PEs residing in different autonomous systems.
  B. MP-eBGP exchange of labeled IPv4 routes between route reflectors residing in different autonomous systems.

• Question 75:

  Which of the following statements about Inter-AS model VPRN is TRUE?

  

  A. MP-iBGP is used between PE1 and ASBR1 to exchange VPN-IPv4 routes.
  B. eBGP is used between ASBR1 and ASBR2 to exchange IPv4 routes.
  C. MP-eBGP is used between PE1 and PE2 to exchange VPN-IPv4 routes.
  D. MP-eBGP is used between ASBR1 and ASBR2 to exchange labeled IPv4 routes.
  D. MP-eBGP is used between ASBR1 and ASBR2 to exchange labeled IPv4 routes.

• Question 76:

  Which of the following about a full mesh VPRN design is FALSE?

  A. Each customer site has a logically direct route to every other customer site.
  B. It provides optimal routing between all sites.
  C. It allows access between all CE devices and all sites participating in the same VRF.
  D. It requires a full BGP mesh in the provider core.
  D. It requires a full BGP mesh in the provider core.

• Question 77:

  Click the exhibit.

  

  The headquarter sites of VPRN 10 and VPRN 20 ate part of an extranet VPRN. Which of the following communities are included in the export policy applied to VPRN 10 on router R1?

  A. "Extranet-VPN-Blue" and "Extranet-VPN-Green"
  B. "Blue-Only"
  C. "Extranet-VPN-Blue"
  D. "Blue-Green"
  C. "Extranet-VPN-Blue"

• Question 78:

  When configuring BGP as the PE-CE protocol on an Alcatel-Lucent 7750 SR, the configuration on the CE is done under the ____________ context and the PE configuration is under the ____________ context.

  

  A. Global, router
  B. Router, router
  C. Service, router
  D. Router, service
  E. Service, service
  F. Router, global
  D. Router, service

• Question 79:

  Click the exhibit.

  

  For the inter-AS model C VPRN, which of the following statements about a data packet sent from CE1 toCE2isTRUE?

  A. PE1 sends the data packet with three labels: the bottom label is a service label, the middle label is a BGP label, and the top label is an LDP label.
  B. ASBR1 sends the data packet with one label: the BGP label.
  C. ASBR1 sends the data packet with one label: the service label.
  D. ASBR2 sends the data packet with three labels: the bottom label is a service label, the middle label is a BGP label, and the top label is an LDP label.
  A. PE1 sends the data packet with three labels: the bottom label is a service label, the middle label is a BGP label, and the top label is an LDP label.

• Question 80:

  What is wrong with the VPRN configuration applied on this Nokia 7750 SR?

  

  A. The VPRN ID must match the value 101 used in the vrf-target command.
  B. The VPRN ID must match the value 101 used in the route-distinguisher command.
  C. The router-id command should not be used in this context.
  D. The "no shutdown" command must be configured for the VPRN to be operationally UP.
  C. The router-id command should not be used in this context.