The IEEE (Institute for Electronic and Electronics 
Engineers) has created a group of standards 
relating to networks that bear the number 802. 
Within the 802 standard are 12 subcategories:

802.1 Internetworking
802.2 Logic Link Control
802.3 CSMA/CD LAN (ethernet)
802.4 Token Bus LAN
802.5 Token Ring LAN
802.6 MAN
802.7 Broadband Technical Advisory Group
802.8 Fiber Optic Technical Advisory Group
802.9 Intergrated Voice/Data Networks
802.10 Network Security
802.11 Wireless Networks
802.12 Demand Priority Access LAN