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Review Questons 1. The original commercial version of Ethernet supported 10 Mbps bandwidth; the version introduced in the early 1990s supports 100 Mbps; and in 1998, Gigabit Ethernet was introduced. All versions use the same data frame formats, with the same maximum PDU sizes, so they can interoperate freely.
Page 2. NEXT GENERATION GIGABIT WIFI - 802.11AC. The ï¬rst WiFi-enabled devices were introduced in 1997. For the ï¬rst time, we were liberated from a physical Internet. connection and free to move about the room, while maintaining connectivity. With this new found freedom came an. extraordinary expansion of uses.