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Communication Principles

Chapter Description

This Companion Guide is the official supplemental textbook for the Networking Essentials course in the Cisco Networking Academy. This sample chapter covers the communication protocols for networks as well as network communication standards. You will also learn what the difference is between the OSI and TCP/IP models.

Key Terms

This chapter uses the following key terms. You can find the definitions in the Glossary.

International Organization for Standardization (ISO)

Internet Engineering Task Force (IETF)

Open Systems Interconnection (OSI)

protocol

protocol suite

reference model

Request for Comments (RFC)

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