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)
1
Part 1: Networking Concepts
9
Part 2: Network Implementation
13
Part 3: Network Operations
17
Part 4: Network Security and Troubleshooting
22
Chapter 18: Practice Exam

Exploring security appliances

Cybersecurity is one of the most demanding fields within the IT industry, as threat actors such as hackers are always looking for new ways to compromise systems and networks within organizations and steal their data. Security appliances are specialized devices that are designed to protect a system or a network from cyber-attacks and threats. In this section, you will learn about the roles and features of firewalls, intrusion detection systems (IDSs), and intrusion prevention systems (IPSs) on systems and networks.

Firewall

A firewall is a network-based security appliance or host-based application that is designed to filter malicious traffic between networks. Network security professionals commonly implement network-based firewalls between the corporate network of their organization and the internet. The intention is to filter any potentially dangerous traffic originating from the internet that’s attempting to enter the private network of the...