Business is the activity of making one's living or making money by producing or buying and selling products (such as goods and services). This book provides over 2,000 Exam Prep questions and answers to accompany the text Denmark Air Force Handbook Items include highly probable exam items: Random access, system software, Authentication protocol, Fault tolerance, total cost, Computer-aided manufacturing, encryption, Database model, Information flow, Location-based service, Chief information officer, and more.