Product Review

This book is for IT professionals working hard to keep up with new technology whilst retaining old skills learnt. Extremely useful as an office or interview preparation reference, it is a condensed deep dive and refresher into firewalls giving detailed information in a format easy to remember. There are mnemonics and codes to assist with fast recall of information and topics are laid out in a way to ensure fast retention of technical aspects. Furthermore it is very quick to read and avoids any necessary explanations focusing exactly on what you need to know.