KPIT Technologies Interview Question

What is the difference between Verification and Validation? What is the Software Testing Life Cycle (STLC)? What is the difference between Regression Testing and Retesting? What is a Test Case and what does it include? What is the Bug (Defect) Life Cycle? What is the difference between Smoke Testing and Sanity Testing? What is Automation Testing and when should it be used? What is the difference between Black-box and White-box Testing? What is a Requirement Traceability Matrix (RTM)? How do you prioritize test cases in a project?