Those are three authentication technologies for networking.
LEAP Lightweight Extensible Authentication Protocol, developed by Cisco, it allows for rotating WEP keys for wireless encryption, it's based on MS-CHAP authentication by Microsoft. This is outdated and should not be used unless necessary.
PEAP is a joint venture between Microsoft, Cisco, and RSA for secure TLS tunneling with PKI certificates as authentication.
EAP FAST is the new version of LEAP.
Those are most likely part of your wireless package. If you do not use wireless, you can remove them.