Chapter 8. Ethernet Technologies
Objectives
Understand the required and optional MAC frame formats, their purposes, and their compatibility requirements.
List the various Ethernet physical layers, signaling procedures, and link media requirements/limitations.
Describe the trade-offs associated with implementing or upgrading Ethernet LANs—choosing data rates, operational modes, and network equipment.
Background
The term Ethernet refers to the family of local-area network (LAN) products covered by the IEEE 802.3 standard that defines what is commonly known as the CSMA/CD protocol. Three data rates are currently defined for operation over optical fiber and twisted-pair cables:
10 Mbps—. 10Base-T Ethernet
100 Mbps—. Fast Ethernet
1000 Mbps—. Gigabit Ethernet ...
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