- During data transmission, data is encapsulated with Protocol Data Units (PDUs) at each layer of the OSI model
- PDU and layer addressing
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Notes on Sybex CCNA Study Guide
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- CCNA 1.5 Ethernet Cabling
- CCNA 1.6 Data Encapsulation
- CCNA 1.7 Cisco Three Layer Hierarchical Model
- CCNA 2.1 TCP/IP model and the DoD model
- CCNA 2.2 IP Addressing
- CCNA 2.3 Broadcast Addresses
- CCNA 3.1 Subnetting Basics
- CCNA 3.2 Variable Length Subnet Masks (VLSMs)
- CCNA 3.3 Summarizations
- CCNA 3.4 IP Addressing
- CCNA 4.1 Cisco Internetwork Operating System (IOS)...
- CCNA 4.2 Cisco Command Line Interface (CLI)
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