Which of the following describes the practice by which the enterprise architecture is managed and controlled at an enterprise-wide level?

Architecture Governance is the specific practice and orientation by which Enterprise Architectures are managed and controlled at an enterprise-wide level. It establishes the processes, structures, and accountabilities to ensure the architecture is effectively developed and maintained in alignment with business objectives. This practice includes compliance reviews, dispensing of guidance, and ensuring the overall integrity and effectiveness of the architecture. It is a critical function for realizing the value of enterprise architecture and is considered a key part of overall corporate and IT governance, but is distinct in its focus on architecture itself.

A. Corporate governance: This is too broad. It is the overall system of rules and practices by which an entire company is directed and controlled, encompassing all aspects of the business, not just architecture.
C. IT governance: This is a related but narrower discipline focused on ensuring that IT sustains and extends the organization’s strategies and objectives. Enterprise Architecture is broader than just IT.
D. Technology governance: This is a subset of IT governance, specifically concerned with the policies and processes for using and managing technology assets, making it too narrow for the scope of enterprise architecture.

1. The Open Group, "The TOGAF® Standard, Version 10," The TOGAF Standard, Part I, Chapter 3: Definitions. "Architecture Governance: The practice of managing and controlling the Enterprise Architecture at an enterprise level."

2. The Open Group, "The TOGAF® Standard, Version 10," The TOGAF Standard, Part VI, Chapter 46: Architecture Governance, Section 46.1 Introduction. "TOGAF regards Architecture Governance as the practice and orientation by which Enterprise Architectures and other architectures are managed and controlled at an enterprise-wide level."

3. The Open Group, "The TOGAF® Standard, Version 10," The TOGAF Standard, Part VI, Chapter 46: Architecture Governance, Section 46.2.1 The Role of Governance. This section distinguishes Architecture Governance from Corporate Governance and IT Governance, noting that Architecture Governance is a specific discipline within that broader context.