This encompasses items such as servers, operating systems, communications tools, databases, cloud ecosystems browsers.
In early testing stages only limited formal management of environments is required, if any.
For example programmers may typically perform their testing within standardised IDEs which provide control by default.
In these circumstances individual testers cannot reasonably be expected to exercise control over the technical landscape.
The activities under the TEM function include: Many teams use spreadsheets instead of using specific tools for the first two areas if the data is less.