WPA2 (Wi-Fi Protected Access 2) is a security protocol which was developed by the Wi-Fi Alliance in 2004. It was used to replace the security protocol of WEP(Wired Equivalent Privacy) and WPA.
Unlike the previous security protocol, WPA2 uses the Dvanve Encryption Standard (AES) instead of the RC4 stream cipher. WPA3 has been developed but it is not yet widely in use.
The taskbar is an element of an operating system located at the bottom of the screen. It allows you to locate and launch programs through Start and the Start menu, or view any program that's currently open.
