According to the TOGAF Standard, 10th Edition, architecture governance is "the practice by which enterprise architectures and other architectures are managed and controlled at an enterprise-wide level" 1. Architecture governance ensures that the architecture development and implementation are aligned with the strategic objectives, principles, standards, and requirements of the enterprise, and that they deliver the expected value and outcomes. Architecture governance also involves establishing and maintaining the architecture framework, repository, board, contracts, and compliance reviews 1. The other options are not correct, as they are not the term used by the TOGAF Standard to describe the practice by which the enterprise architecture is managed and controlled at an enterprise-wide level. Corporate governance is "the system by which an organization is directed and controlled" 2, and it covers aspects such as leadership, strategy, performance, accountability, and ethics. IT governance is "the system by which the current and future use of IT is directed and controlled" 2, and it covers aspects such as IT strategy, policies, standards, and services. Technology governance is "the system by which the technology decisions and investments are directed and controlled" 3, and it covers aspects such as technology selection, acquisition, deployment, and maintenance. References: 1: TOGAF Standard,
10th Edition, Part VI: Architecture Governance, Chapter 44: Introduction. 2: TOGAF Standard, 10th Edition, Part I: Introduction, Chapter 3: Definitions. 3: TOGAF Series Guide: Using the TOGAF Framework to Define and Govern Service-Oriented Architectures, Part II: Using the TOGAF Framework to Define and Govern Service-Oriented Architectures, Chapter 5: Technology Governance.

Explanation
A-Architecture Repository: This is a part of the Architecture Metamodel that contains artifacts structured according to the metamodel. It includes the Architecture Landscape which is adopted by the enterprise and governed by certain standards and practices.
B-Governing Board: The Governing Board ensures visibility and escalation, meaning it oversees and manages the capability of the architecture landscape. It plays a crucial role in governance.
C-Enterprise Capability: This refers to how well an enterprise can execute its mission, meet business objectives or satisfy its stakeholders' needs and expectations. It's influenced by both internal factors (like resources, processes) and external ones (like market trends).
References: TOGAF Version 9.1, Chapter 34: 1

An EA Capability is the ability of an organization to perform enterprise architecture effectively and efficiently.
It involves establishing and maintaining the appropriate organization structures, roles, responsibilities, skills, processes, tools, and governance mechanisms to support the development and use of enterprise architecture. An EA Capability enables the organization to align its business and IT strategies, deliver value from its investments, manage change and complexity, and improve its performance and agility12 References: 1: The TOGAF Standard, Version 9.2, Part VI: Architecture Capability Framework, Chapter 44: Introduction 2: The TOGAF Standard, Version 9.2, Part VI: Architecture Capability Framework, Chapter 45: Establishing and Maintaining an Enterprise Architecture Capability

Phase B of the ADM cycle is the Business Architecture phase. It describes the development of a Business Architecture to support an agreed Architecture Vision. The objectives of this phase are to describe the baseline and target Business Architecture, identify candidate Architecture Roadmap components based on gaps between the baseline and target, and determine whether an incremental approach is required. Reference: The TOGAF Standard | The Open Group Website, Section 3.2.2 Phase B: Business Architecture.

Explanation
Phase B of the ADM cycle is the Business Architecture phase. It describes the development of a Business Architecture to support an agreed Architecture Vision. The objectives of this phase are to describe the baseline and target Business Architecture, identify candidate Architecture Roadmap components based on gaps between the baseline and target, and determine whether an incremental approach is required. Reference: The TOGAF Standard | The Open Group Website, Section 3.2.2 Phase B: Business Architecture.