We should know the logic, code and the structure of the program or function. Internal knowledge of the application how the system works what's the logic behind it and structure how it should react to particular action.
Give me some example for high severity and low priority defect?
What is meant by Priority and severity?
What is the Diff between Two Tier & Three tier Architecture?
What is the diff between Volume & Load?
.What is Severity and Priority and who will decide what?
Why do you go for Test Bed?
How can it be known when to stop testing?
What�s a �test case�?
What�s the big deal about �requirements�?
What makes a good Software QA engineer?