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

Understanding network security

Network security focuses on the techniques, policies, and security controls that are implemented within an organization’s network infrastructure to prevent various types of malicious activities, threats, and cyber-attacks. Without network security solutions, anyone, whether it’s an employee or a guest user, can intentionally or unintentionally perform malicious activities on the network that can cause damage to systems and data loss.

While threat actors are the typical people who will perform intentional cyber-attacks on a network, the trusted employees within the organization can perform unintentional actions, such as inserting a malware-infected USB drive into their work computer/systems without knowing the USB drive contains malware. Sometimes, an employee who is unaware of various threats may click a malicious link within a phishing email that’s created by hackers. Hence, network security professionals need to consider the...