Fully updated to cover the 2019 exam release! CompTIA's A+ certification is an essential certification to building a successful IT career. Test takers must pass both 90-question exams to be certified, and this book—plus online test bank—will help you reach your certification goal. The 9 minibooks map to the exam's objectives, and include new content on Windows 10, Scripting, Linux, and mobile devices. You’ll learn about how computers work, networking, computer repair and troubleshooting, security, permissions, and customer service. You'll also find test-taking advice and a review of the type CompTIA A+ Certification All-in-One For Dummies - Edward Tetz, Timothy L. Warner, Glen E. Clarke od authora Edward Tetz, Timothy L. Warner, Glen E. Clarke a nakladatelství za skvělé ceny na e-shopu Martinus. cz.