Which statement describes the advantage of a Multi-Layer control plane?

Which statement describes the advantage of a Multi-Layer control plane?
A . It provides multivendor configuration capabilities for Layer 3 to Layer 1.
B . It automatically provisions, monitors, and manages traffic across Layer 0 to Layer 3.
C . It supports dynamic wavelength restoration in Layer 0.
D . It minimizes human error configuring converged networks.

Answer: A