Answer: Compute Orchestration, Unity Catalog

The control plane in Databricks manages orchestration, governance, and service-level operations. - **B. Compute Orchestration** handles cluster lifecycle and resource management, which is a core control plane function. - **E. Unity Catalog** provides centralized metadata and governance, operating in the control plane. Other options like Virtual Machines (A) and Compute (D) are part of the data plane, while Serverless Compute (C) refers to execution environments in the data plane, even though its orchestration is managed by the control plane.

Author: LeetQuiz Editorial Team