The A+ certification demonstrates competency as a computer technician. Officially, CompTIA A+ certification is a vendor neutral certification, that covers numerous technologies and operating systems from such vendors as Microsoft, Apple Inc., Novell and some of the Linux variations. Sister project Wikibooks has a book on the topic of A+ Certification The A+ certification may be used to qualify as an elective for Microsoft's MCSA and MCSE certification. Certification prep courses include but not limited to: * Actual tests * Certkey