It's important to be prepared for a job interview, but there's such a thing as being over-prepared, too.
Then, check sites like Glassdoor to hear from previous candidates what questions were asked during the hiring process.
"That way when you're in an interview, you're focused on answering the question instead of going off of some pre-rehearsed script."
Costa says candidates should also avoid one major mistake that can be "an easy strike" against you as a candidate, especially for a competitive job.
Take CNBC's new online course How to Ace Your Job Interview to learn what hiring managers are really looking for, body language techniques, what to say and not to say, and the best way to talk about pay.
Persons:
Neil Costa, he's, Costa, that's