Wenable Technologies interview questions

Conducted written test on manual testing. After qualifying in written, conducted HR round and Technical round. Qualifying in HR and Technical round, conducted CEO round to select the candidates 1. What do you understand by software testing? 2. What do verification and validation mean in software testing? 3. Is it possible to achieve 100% testing coverage? How would you ensure it? 4. Mention the different types of software testing. 5. What is the purpose of end-to-end testing? 6. If a product is in the production stage and one of its modules gets updated, then is it necessary to ret? 7. Is there any difference between retesting and regression testing?