Capgemini B2 Consultant interview questions

At First they asked to explain about yourself with all the experience and activities performed by me.

What is difference between validation & verification in testing? Regression testing,scenario concepts ,API response codes and its meanings,soapui,general question about some application testing, waterfall model,some personal concept based question on day to day task,boundary value, severity,bug life cycle,priority,defects,scrum concepts,azure board,qtest.