Capgemini Associate Software Engineer interview questions

The first question was like how are you? Did you took the covid vaccine or not and if not then they will ask you why you didn't took the vaccine yet. And then the interview started he asked me : 1) to introduce myself 2) do you know c language if yes then what is c language? 3) what is database? 4) what is computer network and what is operating system ? 5) why we use operating system? 6) where do you use LAN and Wan? 7 when did you feel proud of yourself? 8) do you have any questions for me) This questions were asked during my Capgemini technical interview.

1.Intro 2.what is oops 3.MethodOver Loading and MethoOverRiding