The Open Group Enterprise Architecture OGEA-101 Question # 126 Topic 13 Discussion

Phase G: Implementation Governance provides architectural oversight of the implementation. It ensures that the implementation conforms to the Target Architecture using Architecture Contracts and governance frameworks.

Phase H: Architecture Change Management is about maintaining the architecture lifecycle and handling new requirements, not direct implementation oversight.

Preliminary Phase is about setting up the architecture capability.

Phase A is about developing the Architecture Vision.