The handshake that Wi-Fi uses to prove two sides know the password without sending it.
Like two people proving they know a secret without saying it aloud.
A small office upgraded its router, but older printers could not connect. It switched to a mode that supports both new and old devices.
Network covers the managed firewall and switches that sit behind your provider's modem.
Should I turn on WPA3?
Yes if your devices support it. Your IT provider can set a mode that keeps older devices working.

Every WILDCARD card exists to solve one named problem. Find yours.