Connection methods refer to the various ways devices communicate with each other. Common methods include wired connections, such as Ethernet cables, which provide stable and fast data transfer, and wireless connections, like Wi-Fi and Bluetooth, which allow devices to connect without physical cables. Each method has its advantages and disadvantages, depending on the needs of the user. In addition to these, there are also specialized connection methods like NFC (Near Field Communication) for short-range communication and Zigbee for low-power, low-data-rate applications. Understanding these methods helps users choose the best option for their specific requirements, whether for home networking or device pairing.