Amazon Device Associate interview questions

I attended in amazon device associate interview it was pretty good 1st of all there was aptitude round with reasoning aptitude and English questions 2ndly there is technical face to face round which I was not able to clear in that round they asked me questions which follows as:- 1)what is testing? 2)what is static testing dynamic testing? 3)what is defect leakage? 4)suppose there is only one user how will you do performance testing? 5) suppose I wantedly provide some invalid inputs in a field and I make the system crash what kind of testing can I do(I know it's a bit wierd,I also still think the same) 6) difference between smoke testing and sanity testing And many more questions which I can't recall...!! But chill that's related to manual testing concepts only not that much tough.