... the original IEEE 8 02. 3 specification include 10 BASE2, 10 BASE5, 10 BASE-F, 10 BASE-T, and 10 Broad36. Physical variations for Fast Ethernet include 10 0BASE-T, 10 0BASE-T4, and 10 0BASE-X. LAN (local-area ... 1 - 23 9 Engineering Journal and Workbook, Vol. I, 2 nd Ed. – Chapter 1 Copyright © 20 02 Cisco Systems, Inc. Cisco Networking Academy Program: Engineering Journal and Workbook, ... compression and encryption. 42 - 23 9 Engineering Journal and Workbook, Vol. I, 2 nd Ed. – Chapter 5 Copyright © 20 02 Cisco Systems, Inc. Chapter 5 Layer 1: Media, Connections, and Collisions...