Answer / Suresh Kumar

RS-232-C is a standard for serial communication interfaces that defines electrical, mechanical, and functional characteristics. It's commonly used for connecting computers to peripherals such as printers and modems.
802.3 (Ethernet) is a family of networking standards developed by the IEEE for wired networks, primarily for local area networks (LANs). The different variations include 802.3u (Fast Ethernet), 802.3ab (Gigabit Ethernet over twisted pair), and 802.3ae (10 Gigabit Ethernet).
802.11 is a set of wireless networking standards developed by the IEEE, defining protocols for WLAN (Wireless Local Area Network) systems. The different versions include 802.11b (Wi-Fi), 802.11g, 802.11n, and 802.11ac.

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