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 network security on numerous vendor devices giving detailed information in a format easy to remember. It covers configuration on network security technologies such as Ansible modules, playbooks, command line tools and network orchestration. Furthermore it is very quick to read and avoids any necessary explanations focusing exactly on what you need to know.