Which of the following is responsible for the Label Distribution Protocol?
- system plane
- data plane
- forwarding plane
- control plane
Explanation: The control plane is responsible for Layer 3 protocol exchanges and the building of routing and forwarding tables. Protocols that facilitate label distribution, such as LDP, BGP (for VPN labels), and RSVP (for Traffic Engineering), operate within the control plane to bind labels to network prefixes and populate the Label Information Base (LIB).
Related exam: Checkpoint Exam: MPLS and VPN Technologies
