Explanation: The Phase 1 of the DITSCAP C&A process is known as Definition Phase. The goal of this phase is to define the C&A level of effort, identify the main C&A roles and responsibilities, and create an agreement on the method for implementing the security requirements. Answer: C is incorrect. The Phase 2 of the DITSCAP C&A process is known as Verification. Answer: D is incorrect. The Phase 3 of the DITSCAP C&A process is known as Validation. Answer: B is incorrect. The Phase 4 of the DITSCAP C&A process is known as Post Accreditation.