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Free 4A0-106 Exam Braindumps (page: 28)

Page 27 of 54
PDF with 219 Questions

Click the exhibit.



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?

  1. PE1 pushes three labels on the IP packet: a VPN label, a BGP label, and an LDP transport label.
  2. ASBR1 pops the LDP and BGP labels and swaps the VPN label.
  3. ASBR2 pops the BGP label and pushes an LDP transport label.
  4. PE2 pops two labels and forwards the unlabeled packet to its destination.

Answer(s): B



Click the exhibit.



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

  1. 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.
  2. ASBR1 sends the data packet with one label: the BGP label.
  3. ASBR1 sends the data packet with one label: the service label.
  4. 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.

Answer(s): A



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

  1. Within each AS, the ASBR advertises the system addresses of remote PE routers as labeled IPv4 routes.
  2. PE routers in different ASs exchange VPRN routing information directly over MP-eBGP.
  3. Within each AS, MP-iBGP sessions are established to exchange VPN-IPv4 prefixes between the PE routers.
  4. ASBRs exchange the system addresses of PE routers as VPN-IPv4 routes over MP-eBGP.

Answer(s): D



Click the exhibit.



A Carrier Supporting Carrier (CSC) VPRN is configured on an Nokia 7750 SR for a customer carrier offering VPRN services.
Which of the following about this configuration is FALSE?

  1. In the CSC VPRN, configure an eBGP session between CSC-PE and CSC-CE and use the "advertise- label vpn-ipv4" CLI command to enable the advertisement of VPN-IPv4 routes.
  2. When the customer carrier uses the same autonomous system number in various sites, use the "loop-detect off" CLI command to disable the loop detection functionality on CSC-CE and PE routers.
  3. On the CSC-PE routers, use the "carrier-carrier-vpn" CLI command to configure the VPRN service as CS
  4. Configure an iBGP session between PE1 and PE2 and use the "family vpn-ipv4" CLI command to directly exchange end-customer routes learned from CE1 and CE2.

Answer(s): A






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