Know your basics
They need experts, and you have to convince them that you are capable to complete assignment with examples.
Yu must know your strengths and weaknesses, have a cohesive line of reasoning when explaining your career in college and your career decisions. A lot of willingness to learn and change paragids.
Dress code is not an issue unless it's a sales position .
- be customer focused .
- have proper IT education/background .
- think outside the box .
Anything.. technically and non techncally