Question: what should you do before during and after the interview?
Answer: Research the Company and Interviewer. This is an essential first step for preparing for your interview. ... 
Prepare your Questions. ... 
Know Every Bit of your CV – Know your Strengths and Weaknesses. ... 
Eat Something. ... 
Be On Time. ... 
Body Language. ... 
Leaving the Interview. ... 
The Follow Up – Thank You Notes.