Following are defining statements for the three types of change management environments. Label each statement with the most appropriate change management environment. A statement may have more than one match.

Statement

Environment

Also known as the "sandbox," this is where developers design and test their coding.

Developer no longer has access to ensure segregation of duties.

User acceptance takes place here.

Outputs include testing and official documentation for production.

Outputs include live code in the system.

Outputs include initial code.

The business user or IT analyst no longer has access to the code to