Date of Issue:
11-01-2023
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I. Introduction
II. Physical Internetworking Overview
A. The Physical and Data Link Layers of the OSI Model
1. Overview of the Data Link Layer
2. Overview of the Physical Layer
III. LAN Specifications
A. Ethernet
1. Ethernet History and Overview
2. Structure of the Ethernet Data Frame
3. Overview of CSMA/CD
B. Fast Ethernet
C. Token Ring
D. FDDI
E. Gigabit Ethernet
IV. LAN Physical Internetworking
A. Wiring Standards
B. Cabling Categories
C. UTP Cables
1. Straight-through Cables
2. Crossover Cables
3. Rolled (Console) Cables
D. Repeaters
E. Hubs
F. Bridges
1. Transparent Bridging
2. Source-Route Bridging
3. Mixed-Media Bridging
4. Source-Route Transparent Bridging
5. Source-Route Transparent Translational Bridging
V. WAN Specifications
A. Physical Layer WAN Specifications
1. EIA/TIA-232
2. X.21
3. X.25
4. V.35
5. EIA/TIA-449
6. EIA-530
7. ANSI/EIA/TIA-613 (HSSI)
8. SONET/SDH
B. Data Link Layer WAN Specifications
1. ISDN
2. SDLC
3. HDLC
4. Frame Relay
5. PPP
C. Digital Transmission Rates
VI. WAN Physical Internetworking
A. Cabling it All Together
B. Null Modems
C. Asynchronous and Cisco Specific
1. Console and Auxiliary Ports (Out of Band Access)
2. Low Speed Serial Cables (Octopus Cables)
VII. Conclusion
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