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Alcatel-Lucent Virtual Private Routed Networks

Exam Details

  • Exam Code
    :4A0-106
  • Exam Name
    :Alcatel-Lucent Virtual Private Routed Networks
  • Certification
    :Alcatel-Lucent Certifications
  • Vendor
    :Alcatel-Lucent
  • Total Questions
    :208 Q&As
  • Last Updated
    :Nov 26, 2024

Alcatel-Lucent Alcatel-Lucent Certifications 4A0-106 Questions & Answers

  • Question 1:

    For Carrier Supporting Carrier (CSC) VPRN, which of the following is NOT applicable to both types of customer carriers: BGP/MPLS service providers and Internet service providers?

    A. eBGP is used for route and label exchange between CSC-CE and CSC-PE routers.

    B. Both IGP and MPLS are required within each customer carrier site.

    C. MP-iBGP is used to advertise routes between the CSC-PE routers.

    D. End-customer and Internet routes are advertised directly between the PE routers.

  • Question 2:

    For a Carrier Supporting Carrier (CSC) VPRN where the customer carrier is a BGP/MPLS VPN Service Provider (SP), which of the following is FALSE?

    A. The customer carrier network must be MPLS-enabled.

    B. If the customer carrier offers VPRN services, PE routers residing in different customer carrier sites must run iBGP between them.

    C. The customer carrier provides Layer 2 and Layer 3 services to its end-customers.

    D. A single CSC VPRN is configured on the network provider to support all services offered by the customer carrier.

  • Question 3:

    Which of the following statements about the control plane in Carrier Supporting Carrier (CSC) VPRN is FALSE?

    A. The customer carrier does not learn any network provider routes.

    B. The network provider must learn the customer carrier PE and CE system addresses.

    C. Routes exchanged between CSC-CE and CSC-PE are labeled.

    D. The customer carrier PE system addresses are populated in the CSC VRF.

  • Question 4:

    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.

  • Question 5:

    For the Inter-AS model C VPRN, which of the following is FALSE when an IP packet is sent from 192.1.1.1 to 192.2.1.1?

    A. PE1 pushes three labels on the IP packet: a VPN label, a BGP label, and an LDP transport label.

    B. ASBR1 pops the LDP label, swaps the BGP label and forwards the IP packet to ASBR2.

    C. ASBR2 swaps the BGP label and pushes an LDP transport label.

    D. PE2 pops all labels and forwards the unlabeled packet to its destination.

  • Question 6:

    Which of the following statements about inter-AS model C VPRNs is FALSE?

    A. VPN-IPv4 routes are neither held, nor re-advertised, by the ASBRs.

    B. Each ASBR propagates the routes received from its neighbor ASBR as labeled IPv4 routes in its own AS.

    C. ASBRs exchange labeled IPv4 routes for the system addresses of PE routers.

    D. ASBRs exchange customer routes as labeled IPv4 routes.

  • Question 7:

    For the Inter-AS model VPRN, which of the following statements about the inter-as-label output on ASBR1 is TRUE?

    A. ASBR1 includes label 131069 in the route update sent to ASBR2.

    B. ASBR1 includes label 131068 in the route update sent to ASBR2.

    C. ASBR1 includes label 131068 in the route update sent to PE1.

    D. ASBR1 includes labels 131068 and 131069 in the route update sent to ASBR2.

  • Question 8:

    For the Inter-AS model VPRN, which of the following is FALSE when CE2 sends an IP packet to 192.168.1.1?

    A. PE2 pushes two labels on the IP packet and forwards it to ASBR2.

    B. ASBR2 forwards the IP packet with one label to ASBR1.

    C. ASBR1 label-switches the packet and forwards it with one label to PE1.

    D. PE1 forwards an unlabeled IP packet to CE1.

  • Question 9:

    For the Inter-AS model A VPRN, which of the following is FALSE when CE2 sends an IP packet to 192.168.1.1?

    A. CE2 forwards an unlabeled IP packet to PE2 via the VPRN interface.

    B. PE2 pushes one label on the IP packet and label-switches it to ASBR2.

    C. ASBR2 forwards an unlabeled IP packet to ASBR1.

    D. ASBR1 pushes two labels on the IP packet and label-switches the packet to PE1.

  • Question 10:

    Which of the following commands produces the output for the inter-AS model B VPRN?

    A. show router 10 bgp routes vpn-ipv4

    B. show router bgp routes

    C. show router bgp routes vpn-ipv4

    D. show router route-table

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