This question asked by the interviewer is to understand what all you know, and they will indeed explore the credibility of your CV. Also, they would like to see what you did in the recent six months. You can explain about the assignment or project and let them know what bugs you faced and what solution you found and resolved the bugs. Also, you can explain the websites you visited what you learned, and discuss the recent trends. This will help you out and let the interviewer know what you did in the current six months span.
