Radio Frequency Identification (RFID) is an automatic identification method, relying on storing and remotely retrieving data using devices called RFID tags (also called transponders).

This book is a guide to CompTIA's new RFID+ Security exam and includes the following study elements: Exam objectives covered in a chapter are clearly explained in the beginning of the chapter, Notes and Alerts highlight the crucial points, Exam's Eye View emphasizes the important points from the exam's perspective, Key Terms present definitions, Review Questions contain questions modeled after the real exam questions.

射频识别（RFID）是一种自动识别方法，依靠使用称为RFID标签（也称为转发器）的设备存储和远程检索数据。
本书是CompTIA新的RFID+安全考试指南，包括以下学习要素：章节中涵盖的考试目标在章节开头有明确的解释，笔记和提醒突出了关键点，考试视角强调了考试视角中的重要点，关键术语给出了定义，复习题包含模仿真实试题的问题。