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

Network protocol types

There are so many protocols and protocol types on a network and learning them can take a lifetime to master. However, as an aspiring network professional, it’s important to understand the fundamentals of common network protocol types that are found within many organizations. Network protocol types are simply the set of rules that are used to describe how a device such as a computer communicates with another device over a network. If two devices are used, whether they are the same type of devices or different, both systems need to negotiate on a common set of rules. These common rules are referred to as the network protocol type.

Over the next few sub-sections, you will learn about the fundamentals of ICMP, TCP, and UDP.

Internet Control Message Protocol

Internet Control Message Protocol (ICMP), defined by RFC 792, is typically used to provide error reporting on a network. Common networking tools such as Ping and Traceroute are built into many...