What is Debugging? Explain difference between Testing & Debugging. What is Positive Testing? What is Negative Testing? Explain Specification Based testing. What is Pairwise Testing? Explain PERT/Program Evaluation & Review Technique? Few Verification & Validation Questions. Explain Iterative Methodology. While writing test cases how much detail is required? Explain the need for Data Warehouse and also explain Data Warehouse Testing?1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20