Chapter 4. Testing Your Systems
You will learn about the following in this chapter:
Testing the functionality of your systems
Testing the performance of your systems
Verifying compatibility within your systems
Regression testing
Alpha and beta tests
Testing is a critical part of any deployment process. You cannot trust that an installation or configuration change just works—you need to see it for yourself before it is deployed in the real world. Your reputation (and potentially that of your organization) can be seriously damaged by deploying a system that fails in production; a rigorous testing process is your best guarantee against such failures. Many administrators simply test the functionality of a system, making sure all the features are there ...
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