Proprietary licensing model is the correct answer because CNCF style projects are by definition open source and the governance model expects open license choices rather than a proprietary licensing model.

Contributor License Agreements are commonly used in CNCF and other open source projects to clarify contributor rights and to make license compliance and maintenance easier for the project.

Technical Steering Committee or similar technical governing bodies are a typical governance component and they provide technical direction, approve proposals, and resolve disputes.

Maintainer roles and responsibilities are part of normal project governance so that code ownership, reviews, and release duties are clearly assigned and managed.

Code of Conduct is an expected part of community governance because it sets behavioral norms and helps keep the project welcoming and productive for contributors.

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