Enterprise Architecture (EA) documentation primarily includes strategic and operational blueprints outlining the evolution of IT infrastructure to align with business goals.Roadmaps showing the evolution from current state to future state (C)are essential for understanding how the organization's IT environment will change over time to support business strategy.
Other options:
Contact information for key resources (A)is more of an operational or administrative document rather than an EA component.
Detailed encryption standards (B)would typically be found in security policies or system-specific documentation rather than in EA documentation.
Protocols used to communicate between systems (D)are typically documented within network or system architecture diagrams rather than high-level EA documentation.
Reference:ISACA CISA Review Manual, IT Governance and Management of IT