Which network plane is used for Spanning Tree Protocol (STP)?

The control plane refers to any mechanism that controls the data plane. STP is used to control the data plane by removing redundant links. The data plane is responsible for switching and routing data. Any data that is destined for endpoints is switched or routed on the data plane. The management plane is any mechanism that helps in the management of a router or switch. Switch plane is not a term normally used to describe data types; therefore, option D is an invalid answer.