Emmett Dulaney

Expert preparation covering 100% of Security+ exam SY0-501 objectives CompTIA Security+ Study Guide, Seventh Edition offers invaluable preparation for Exam SY0-501. Written by an expert author team,...

Curious about Linux, the amazing alternative operating system? Not sure which of the zillion different variations is right for you, or how to find out? How wise you are to think of Linux All-In-One...

Eight minibooks in one volume cover every important aspect of Linux and everything you need to know to pass level-1 certification Linux All-in-One For Dummies explains everything you need to get up...

Join over 250,000 IT professionals who've earned Security+ certification If you're an IT professional hoping to progress in your career, then you know that the CompTIA Security+ exam is one of the...

The CompTIA A+ exam is the industry standard in terms of measuring a technician's hardware and software knowledge, with more than 600,000 individuals certified to date The perfect companion to...