Hello There are many good books to study for the CompTIA A+ certificate. But I strongly rmend not to limit yourself with just book other training materials such as videos exam practicing and study groups are so valuable. Regarding the best book I suggest the official certificate ge. I always rmend the official study ges. Here are the general steps I go to prepare for any certificate exam Comprehensive Video Training. Official Certificate ge Exam preparation Network+ Identify the Simple Network Management Protocol (SNMP)ponent that is also known as an NMS. s CCNA Convert the subnet mask .. to slash notation. s