Why do we write black-box test cases first and not white box test cases?

Can you name parameters that give out the efficiency of automation testing?

Please explain the various categories of defects?

Please define XPath.

Please compare functional and non-functional forms of testing.

What do you understand by exploratory testing?

What do you mean by Bug Life Cycle?

In your opinion, what will happen to the cost of a software product in a defect that could have been removed during the initial stage of testing is removed/fixed later?

Can you name the various levels of software testing?