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CCDA Official Exam Certification Guide, Third Edition by Steve Jordan - CCIE No. 11293, Anthony Bruno - CCIE No. 2738

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Appendix B. The OSI Reference Model, TCP/IP Architecture, and Numeric Conversion

The Open Systems Interconnection (OSI) model is a mandatory topic in any internetworking book. The CCDA candidate should understand the OSI model and identify which OSI layers host the different networking protocols. The OSI model provides a framework for understanding internetworking. This appendix provides an overview and general understanding of the OSI reference model.

The Transmission Control Protocol/Internet Protocol (TCP/IP) architecture provides the practical implementation of a layered model. This appendix provides an overview of the TCP/IP layers and how they map to the OSI model.

Also covered in this appendix is the numeric conversion of binary, decimal, ...

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