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H12-891_V1.0 · Question #455

Which of the following descriptions of the MPLS forwarding mechanism are correct? (Multiple choice)

The correct answer is C. The system automatically assigns an ID to the upper-layer application that uses the tunnel, also D. When an IP packet enters the MPLS domain, the first thing to check is the FIB table. See the full explanation below for the reasoning.

MPLS and VPN Technologies

Question

Which of the following descriptions of the MPLS forwarding mechanism are correct? (Multiple choice)

Options

  • AIf the Tunnel ID value is 0x0, enter the MPLS forwarding process.
  • BIf the Tunnel ID value is not 0x0, enter the normal IP forwarding process.
  • CThe system automatically assigns an ID to the upper-layer application that uses the tunnel, also
  • DWhen an IP packet enters the MPLS domain, the first thing to check is the FIB table.

How the community answered

(48 responses)
  • A
    13% (6)
  • B
    8% (4)
  • C
    79% (38)

Topics

#MPLS forwarding#FIB table#Tunnel ID#label switching

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