Unit, Regression, Acceptance Testing - CISSP - Communications and Network Security

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Security Assessment and Testing - Software Testing Levels (Unit Testing, Integration Testing, Regression Testing, Acceptance Testing)
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**I Am NOT An Expert! **

As a method of studying for the CISSP, I am attempting to briefly explain the concepts I am learning in an an effort to help me, and perhaps fellow students.

For an overview of my plan have a look here:    • CISSP - Learning Through Teaching - I...  

Please take everything with a grain of salt.If I'm missing something or focusing on the wrong aspect of a concept or term, please post your comment to let me know.
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Software Testing Levels (Unit Testing, Integration Testing, Regressions Testing, Acceptance Testing) - Notes

Unit Testing – When you test a small subset of code before it’s integrated. Tests methods, functions, etc.
Reduces a lot of problems downstream.
This is for the programmers to handle.

Integration Testing – When you take new code and drop it into a current working system.

Regression Testing – This is where you test a system after you’ve added patches, fixes, or anything new.

Acceptance Testing – The big enchilada . . .

Does it meet the user requirements?
When it’s done by the customer it’s called “User Acceptance Testing.”