The book I read to research this post was Comp TIA Understanding Basic Networking Components by Darril Gibson which is a very good book that I read at kindle unlimited. This book covers basic networking knowledge. I did read in another book that the A+ exam covers what you should know if you work as a computer technician full time for 9 months and Network+ covers what you should know after 18 months. This book covers the basic knowledge you should have before reading a study guide for that exam. It also has important information about the exam in general. It also has sample questions from the exam and a glossary of important terms. The exam is done on a computer with some of the questions being multiple choice. Others require that drag a picture or answer to a particular question it is the answer to. There are also pictures where you might have to match a tools name or choose one with the appropriate setting. There was also a bit of interesting information on firewalls. There are software firewalls that operate with in the operating system. There are also hardware firewalls which businesses normally use. One type is the packet stateful where rules on the types of packets or information transmitted are used to decide what can be allowed through. These rules can be quite complex and are used to filter out any potential malware. I did quite enjoy this book and would recommend it. Obviously if you have already reached Network+ standard you probably know everything that is in this book.
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