Which two components used in MPLS operation are associated with the router data plane? (Choose two.)

Last Updated: Apr 17, 2021
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Question:

Which two components used in MPLS operation are associated with the router data plane? (Choose two.)

  • label distribution protocol (LDP)
  • IP forwarding table (FIB)
  • IP routing table (RIB)
  • label forwarding table (LFIB)
  • label information base (LIB)

Explanation: The data plane of a LSR consists of an IP forwarding table (FIB) and a label forwarding table (LFIB). The FIB makes forwarding decisions for unlabeled packets. The LFIB makes forwarding decision for labeled packets.

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