Why is there a gap in your work experience?-Answering the gap question

Why is there a gap in your work experience?

The truth is that They don't mind the gap but they just want to know whether you were still productive, If they need to train extra, or if you are out of touch. Ensure that you give enough reasons for them to believe that it was inevitable and even if a gap was there you were updating yourself and used the time to develop your skills even better.