Zero to F5-CTS LTM Certified!

Oh, and if there's a question you simply just do not know, perhaps cos of a gap in your study or a particularly niche question, then rule out what you can, make a best guess, and move on. I don't even flag these as your first guess is most likely your best one, and there's no point wasting flagged time on it when there are others that you may know the answer - it's just requires a bit more brain pulling (although that can get hard with age)