Question: how do you respond when you don't know the answer to an interview question?
Answer: Calm down. First of all, the most important thing to do is stay calm. ... , Don't say, "I don't know," off the bat. ... , Ask questions. ... , Tell your interviewer what you do know. ... , Tell them how you would find the answer. ... , Know the right time to come clean. ... , Send a follow-up email.