CompTIA Network+ Study Guide: Exam N10-006, 3rd Edition

Chapter 2

The Open Systems Interconnection Specifications

THE FOLLOWING COMPTIA NETWORK+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

• 5.0 Industry standards, practices, and network theory
• 5.1 Analyze a scenario and determine the corresponding OSI layer
  • Layer 1 – Physical
  • Layer 2 – Data link
  • Layer 3 – Network
  • Layer 4 – Transport
  • Layer 5 – Session
  • Layer 6 – Presentation
  • Layer 7 – Application
• 5.2 Explain the basics of network theory and concepts
  • Encapsulation/de-encapsulation
  • Modulation techniques
    • Multiplexing
    • De-multiplexing
    • Analog and digital techniques
    • TDM

In this chapter, we're going to analyze the Open Systems Interconnection (OSI) model. ...