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Free 4A0-103 Exam Braindumps (page: 23)

Page 22 of 63
PDF with 249 Questions

Click on the exhibit button below. Assume the following:


- Each router's OSPF interfaces are in the areas shown.
- Bidirectional LDP-over-RSVP tunnels extend from routers R1 to R3 and back over the path R1-R4-R5-R3.
- You enable fast reroute facility bypass on the R5-R3 RSVP LSP.
- Router R5 acts as a PLR, protecting the R5-R3 link by building a bypass tunnel through router R2.

You build a layer 2 VPN on routers R1 and R3, using the LDP-over-RSVP tunnels. What MPLS configuration step must you complete on router R2 for it to protect the end-to-end service?

  1. Enable LDP on the R2-R5 interface.
  2. Configure T-LDP sessions between routers R2 and R5 and R3.
  3. Configure LDP-over-RSVP support on router R2.
  4. Enable MPLS and RSVP on the router R2 network interfaces.
  5. Enable LDP on the R2-R5 and R2-R3 interfaces.

Answer(s): D



Which of the following configurations allow a router to periodically attempt to move LSP traffic to a better path, if the head end can find one?

  1. configure router mpls retry-timer 30
  2. configure router mpls resignal-timer 30
  3. configure router mpls retry-attempts 30
  4. configure router mpls global-revertive 30

Answer(s): B



Which one of the following statements regarding RSVP LSP configuration is true?

  1. LSPs must always terminate on a system ID.
  2. MPLS and RSVP must be enabled on all routers.
  3. Interfaces must be individually created in RSVP.
  4. Path definitions must include at least one hop entry.

Answer(s): B



Which of the following conditions must a router meet for an LSP path's RSVP session to exist? Choose two answers

  1. The router must build the Path State Block (PSB).
  2. The router must build the Reservation State Block (RSB).
  3. The router must build the Session State Block (SSB)
  4. The router must send the second RESV refresh message.
  5. The router must receive the second PATH refresh message.

Answer(s): A,B






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