Book Image

CompTIA Network+ N10-008 Certification Guide - Second Edition

By : Glen D. Singh
Book Image

CompTIA Network+ N10-008 Certification Guide - Second Edition

By: Glen D. Singh

Overview of this book

This book helps you to easily understand core networking concepts without the need of prior industry experience or knowledge within this fi eld of study. This updated second edition of the CompTIA Network+ N10-008 Certification Guide begins by introducing you to the core fundamentals of networking technologies and concepts, before progressing to intermediate and advanced topics using a student-centric approach. You’ll explore best practices for designing and implementing a resilient and scalable network infrastructure to support modern applications and services. Additionally, you’ll learn network security concepts and technologies to effectively secure organizations from cyber attacks and threats. The book also shows you how to efficiently discover and resolve networking issues using common troubleshooting techniques. By the end of this book, you’ll have gained sufficient knowledge to efficiently design, implement, and maintain a network infrastructure as a successful network professional within the industry. You’ll also have gained knowledge of all the official CompTIA Network+ N10-008 exam objectives, networking technologies, and how to apply your skills in the real world.
Table of Contents (26 chapters)
Part 1: Networking Concepts
Part 2: Network Implementation
Part 3: Network Operations
Part 4: Network Security and Troubleshooting
Chapter 18: Practice Exam


In this chapter, you explored each layer of both the OSI reference model and the TCP/IP protocol suite. You discovered the roles and responsibilities of each layer and saw their purpose in ensuring messages are delivered successfully between source and destination hosts over a network. Additionally, you can describe, compare, and even contrast the layers between the OSI reference model and the TCP/IP protocol suite. As an aspiring network professional, you have also acquired the fundamental skills of understanding how the encapsulation and de-encapsulation process works between each layer, and even explored the headers of packets using a protocol analyzer application.

I hope this chapter has been informative for you and is helpful in your journey toward learning about networking and becoming a network professional. In the next chapter, Chapter 2, Network Topologies and Connections, you will discover various network topologies and common network types that are used within many organizations and service providers around the world.