The correct answer is Commit and push code. This operation is one of the key functionalities that can be performed within Databricks Repos as part of a CI/CD workflow. Other operations such as deleting a branch, creating or approving a pull request, and triggering a CI/CD pipeline are typically managed through a Git provider like GitHub or Azure DevOps. It's essential to understand the division of tasks between Databricks Repos and Git providers for the exam, as questions may vary based on this workflow.