3DES See Triple DES.
6 to 4 An IPv4-to-IPv6 transition method that allows IPv6 sites to communicate with each other over the IPv4 network.
802.1x A standard that defines a framework for centralized port-based authentication.
802.11a An 802.11 standard that operates in the 5 GHz frequency band and, by using OFDM, supports speeds up to 54 Mbps.
802.11ac An 802.11 standard that builds on concepts introduced with 802.11n. Although it operates only in the 5.0 GHz frequency, it increases the channel width from 40 MHz to 80 MHz.
802.11b An 802.11 standard that operates in the 2.4 GHz frequency band at speeds up to 11 Mbps.
802.11e An IEEE standard created to provide QoS for packets when they traverse a wireless segment.
802.11f An 802.11 amendment ...