Date of Issue: 10-01-2023

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I. Introduction
II. The OSI Model
III. The Layers

A. The Application Layer
B. The Presentation Layer
C. The Session Layer
D. The Transport Layer
E. The Network Layer
F. The Data Link Layer
G. The Physical Layer

IV. Protocols and OSI Layers
V. Data Encapsulation and Headers

A. The Data Encapsulation Process

VI. Why is this Important?

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