Food Safety Works interview questions

1) What is HACCP? 2) What are the things that I have done in my previous job role?

Interviewers were showing too much attitute. When they were asking me about my technical knowledge, it was ok. But they gave a statement that I should not study this much because I am doing some course for my knowledge. Howerver its their thinking, but I didnot like their approach. They were telling me (not asking) I would have done my masters from my hometown, not from the university from where I did it, just because its far from my home.