A multinational headquartered in Dallas, Texas is proactively building enterprise-wide capabilities, centralized collection workflows, tooling,...

The correct answer is D because ISO/IEC 27050-4 is the part focused on technical readiness. ISO’s catalog describes ISO/IEC 27050-4:2021 as guidance on how an organization can plan, prepare for, and implement electronic discovery from the perspective of technology and processes. That matches the scenario very closely: the company is building workflows, tooling, skills, and repeatable capabilities before any dispute arises. ISO/IEC 27050-1 is the overview and concepts document, ISO/IEC 27050-2 provides governance and management guidance, and ISO/IEC 27050-3 is the code of practice for electronic discovery activities. Those are important, but the question emphasizes readiness and enterprise preparation rather than broad concepts, governance alone, or conduct of discovery work after the fact. CHFI v11 includes eDiscovery process flow and readiness-related thinking, so the expected exam logic is to choose the part that supports organizational preparation before litigation or investigation pressure begins. Because this is a proactive, capability-building scenario, ISO/IEC 27050-4 is the best fit.