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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.
Ethernet (the name commonly used for IEEE 802.3 CSMA/CD) is the dominant cabling and low level data delivery technology used in local area networks (LANs). Following are some Ethernet features: 1  Ethernet transmits data at up to ten million bits (i.e., 10 megabits) per second (10 Mbps). 2  Fast Ethernet supports up to 100 Mbps, Gigabit Ethernet supports up to 1,000 Mbps, and 10 Gbps Ethernet supports up speeds matching its name (10 gigabits per second or 10,000 Mbps).