Multiple choice technology

Which IEEE specification defines Gigabit Ethernet?

  1. IEEE 802.3u

  2. IEEE 802.3

  3. Ethernet II

  4. IEEE 802.3z
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D Correct answer
Explanation

IEEE 802.3z is the standard for Gigabit Ethernet (1000 Mbps). In contrast, 802.3u defines Fast Ethernet (100 Mbps), and 802.3 is the original base standard for Ethernet. The letter suffixes denote different speed and media specifications.

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