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内容説明 Comprehensive coverage of everything you must know to pass CompTIA’s A+ examA+ is the gateway certification into many IT careers， and interest in certification is exploding. This bestselling A+ certification guide is updated to cover the new A+ exam. It includes the new Windows coverage and reflects the revised emphasis on objectives. Seven minibooks focus individually on specific hardware and OS characteristics including installation and configuration， diagnostics， preventive maintenance， motherboard and processors， printers， networking， and fundamentals. A bonus CD contains the popular Dummies Test Engine test-prep software.A+ certification is the first step toward a variety of IT careers， and this guide is fully updated for the latest revision of the examSeven minibooks cover the domains of the exam in detail， reflecting the enhanced emphasis on hardware and new Windows contentCovers installation， configuration， and upgrading; diagnosing and troubleshooting; preventive maintenance; motherboards， processors and memory; printers; networking; and OS fundamentalsCompanion CD contains the popular Dummies Test Engine， an exclusive， customizable test-prep software package now with twice as many sample test questions as previous editionsAnyone seeking CompTIA A+ certification will be better prepared with help from CompTIA A+ Certification All-in-One For Dummies， 3rd Edition.