Internet of Things (IoT) Practice Exam

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Wi-Fi technology is based on which of the following standards?

IEEE 802.15
IEEE 802.11
IEEE 802.16
IEEE 802.3

The correct answer is: IEEE 802.11

Wi-Fi technology is based on the IEEE 802.11 standards, which were developed by the Institute of Electrical and Electronics Engineers (IEEE) to specify the protocols for implementing wireless local area networks (WLANs). These standards encompass various protocols that enable wireless communication, including different frequency bands and data rates suited for various applications. The IEEE 802.11 family of standards has evolved over time, leading to advancements like increased data speeds and improved reliability, which are essential for effective wireless communication in various environments, such as homes, offices, and public spaces. This versatility and the widespread adoption of IEEE 802.11 make it the foundation of modern Wi-Fi technology, facilitating seamless internet access across multiple devices. In contrast, the other standards listed focus on different networking technologies. For instance, IEEE 802.15 pertains to personal area networks (PANs) like Bluetooth, while IEEE 802.16 defines standards for broadband wireless access, and IEEE 802.3 relates to Ethernet, which governs wired networking. Understanding these distinctions emphasizes why IEEE 802.11 is uniquely positioned as the standard for Wi-Fi technology.