The only Cisco authorized textbook that for the IT Essentials: PC Hardware and Software course from the Cisco Networking Academy Program New Companion Guide format complements the online curriculum with insight and instruction from Academy instructors A portable reference that supports all the topics in the new course, aligning 1:1 with course modules Features improved readability, enhanced topic explanations, real-world examples, and all new graphical presentations Alignment to A+ objectives The I T Essentials: PC Hardware and Software Companion Guide supplements and complements the IT Essentials I: PC Hardware and Software v4.0 online curriculum offered by the Cisco Networking Academy Program. � The Companion Guide is designed as a supplemental textbook for the Networking Academy course, offering students a portable desk reference of the course content to use anytime anywhere as a study aid. The chapter content aligns 1:1 to the online course module topics, but does not merely mimic the content word-for-word. The authors present the course material in the Companion Guide in a comprehensive manner, providing their own examples where necessary to augment a student's understanding of the course material. Chapter Objectives as stated as questions at beginning of each chapter Key terms listed in the Chapter openers Enhanced readability for younger student comprehension How To Feature provides step-by-step tasks for common activities Key concept recaps, Check Your Understanding Questions, and next chapter previews are in a concise summary at the end of each chapter The Companion Guide serves as an additional instructional tool for the instructor to assign take-home reading or give vocabulary quizzes to better prepare the students for in-class lab assignments.