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内容説明 1000 simulated exam questions-including performance-based questions-fully revised for the 2012 CompTIA A+ exams CompTIA A+ Certification Practice Exams， Second Edition offers 1000 practice exam questions that simulate the actual exam questions in content， style， tone， format， and difficulty. Designed as an exam-focused study aid and resource， the book features questions accompanied by in-depth answer explanations for BOTH the correct and incorrect answer choices. Organized by exam objectives， the book allows you to focus on specific topics and tailor your study to your areas of strength and weakness. Two pre-assessment tests， one for each exam， help you to gauge baseline knowledge. Six complete practice exams are included and can be used as the last step in exam preparation or as measurements of progress. Four of these final exams are on the book’s CD-ROM in test engine software which simulates an actual timed and graded exam environment. CompTIA A+ Certification Practice Exams， Second Edition is the perfect supplement to CompTIA A+ Certification Study Guide， Eighth Edition and is CAPP Authorized and CompTIA reviewed and approved: CompTIA Approved Quality Content. Complete coverage of Exams 220-801 and 220-802:
Operational procedures; Operating system fundamentals; Personal computer components-motherboards and processors; Personal computer components- storage， memory， and adapters; Power supplies， cooling systems， and peripherals; The custom PC; Installing and upgrading PC components; Installing and configuring laptops; Installing， configuring， and upgrading Windows; Disk and file management; Troubleshooting， repair and maintenance of PCs; Troubleshooting and preventive maintenance for laptops; Troubleshooting and preventive maintenance for Windows; Network basics; Installing a small office/home office (SOHO) network; Troubleshooting networks; Computer security fundamentals; Implementing and troubleshooting security; Configuring networking for Windows clients; Windows client virtualization; Supporting mobile devices; Using and supporting printers