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

Applied IPv4 Subnetting

In this chapter, you will learn about the importance of the subnet mask and its role in helping network professionals determine the network and host portions of an address, and helping networking devices make forwarding decisions. Additionally, you will learn how to calculate the network prefix and network ID of IPv4 addresses and use subnetting techniques to create smaller network blocks to improve the efficiency of a network.

In this chapter, we will cover the following topics:

  • Understanding the purpose of the subnet mask
  • Delving into network prefixes and subnet masks
  • Determining the network ID
  • Understanding the purpose of subnetting
  • IPv4 subnetting and VLSM

Let’s dive in!