A Service Set Identifier (SSID) is a unique identifier that is used to name a wireless network. It is essentially the name of a Wi-Fi network. When you set up a wireless router or access point, you typically assign an SSID to the network. Devices that want to connect to the Wi-Fi network use the SSID to identify and join the correct network.
SSID serves as a way to differentiate between different wireless networks in the same vicinity. For example, in a neighborhood or a crowded area with multiple Wi-Fi networks, each network would have its own unique SSID. When a device scans for available Wi-Fi networks, it will detect and display a list of SSIDs, allowing users to choose the network they want to connect to.
It's important to note that while the SSID helps identify a network, it does not provide any security on its own. The actual security of a Wi-Fi network is typically implemented through encryption protocols like WPA (Wi-Fi Protected Access) or WPA2, which require a password or passphrase for access.
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