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.
What are the key challenges of software testing?
What is the value of a testing group? How do you justify your work and budget?
What is the role of QA in a project development?
What are the parameters of Quality cost?
How can new Software QA processes be introduced in an existing organization?
What is verification? What is validation?
What is a �walkthrough�?
What is software life cycle?
How do you introduce a new software QA process?
What is the role of documentation in QA?