What are the subordinate tasks of the Initiate and Plan IA C&A phase of the DIACAP process? Each correct answer represents a complete solution. Choose all that apply. 

Answer options:

A. Develop DIACAP strategy.
B. Assign IA controls.
C. Assemble DIACAP team.
D. Initiate IA implementation plan.
E. Register system with DoD Component IA Program.
F. Conduct validation activity.

ABCDE