Network+ Study Guide & Practice Exams

Chapter 5. OSI Model

Domain II Objectives in this Chapter:

2.1	Identify a MAC address and its parts.
2.2	Identify the seven layers of the OSI model and their functions
2.3	Identify the OSI layers at which the following network components operate:
	2.3.1	Hubs
	2.3.2	Switches
	2.3.3	Bridges
	2.3.4	Routers
	2.3.5	NICs
	2.3.6	WAPs

Introduction

To prepare for the CompTIA Network+ exam, you should begin by reviewing the foundations of networking. Among these, you must understand the logical models on which networks are designed and created, the protocols they use to communicate, the addressing schemes by which they identify individual devices on the network, and the technologies they use to ensure that data reaches its destination. In this chapter, we will cover the OSI ...