The correct option is Create a holistic map of the enterprise information technology landscape.

An enterprise architecture provides a high level and integrated view of applications, data, technology, and business processes so the organization can align technology decisions with long term goals. A holistic map of the enterprise information technology landscape documents relationships, standards, and roadmaps and supports planning, governance, and investment decisions across the company.

Determine the system hardware and software specifications is incorrect because those activities belong to detailed design and procurement phases and not to the strategic scope of enterprise architecture. Choosing specific hardware and software is an implementation and operations responsibility that follows architectural guidance.

Design cloud infrastructure topology and deployment details is incorrect because cloud topology and deployment are detailed solution designs done by cloud and platform teams. Enterprise architecture sets principles and requirements that guide those designs but it does not normally produce low level deployment diagrams as its primary output.

Evaluate whether security controls meet organizational requirements is incorrect because assessment and testing of security controls are governance, compliance, and assurance activities. Security architecture is a domain within enterprise architecture, but evaluating control effectiveness is a separate operational and audit function.

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