Book Image

CompTIA Security+: SY0-601 Certification Guide - Second Edition

By : Ian Neil
Book Image

CompTIA Security+: SY0-601 Certification Guide - Second Edition

By: Ian Neil

Overview of this book

The CompTIA Security+ certification validates the fundamental knowledge required to perform core security functions and pursue a career in IT security. Authored by Ian Neil, a world-class CompTIA certification trainer, this book is a best-in-class study guide that fully covers the CompTIA Security+ 601 exam objectives. Complete with chapter review questions, realistic mock exams, and worked solutions, this guide will help you master the core concepts to pass the exam the first time you take it. With the help of relevant examples, you'll learn fundamental security concepts from certificates and encryption to identity and access management (IAM). As you progress, you'll delve into the important domains of the exam, including cloud security, threats, attacks and vulnerabilities, technologies and tools, architecture and design, risk management, cryptography, and public key infrastructure (PKI). You can access extra practice materials, including flashcards, performance-based questions, practical labs, mock exams, key terms glossary, and exam tips on the author's website at securityplus.training. By the end of this Security+ book, you'll have gained the knowledge and understanding to take the CompTIA exam with confidence.
Table of Contents (24 chapters)
1
Objectives for the CompTIA Security+ 601 exam
Free Chapter
2
Section 1: Security Aims and Objectives
7
Section 2: Monitoring the Security Infrastructure
12
Section 3: Protecting the Security Environment
17
Section 4: Mock Tests
18
Chapter 13: Mock Exam 1
19
Mock Exam 1 Solutions
20
Chapter 14: Mock Exam 2
21
Mock Exam 2 Solutions

Installing and Configuring Network Components

There are many different network components and we are going to look at each of these. For the Security+ exam, we need to know which device can be used in different scenarios, so let's first look at firewalls that prevent unauthorized access and then the other devices.

Firewall

A firewall prevents unauthorized access to the corporate network, and in the Security+ exam, we tend to use a back-to-back configuration, as shown here:

Figure 7.1 – Back-to-back firewall configuration

You can see that each of these firewalls is not letting traffic pass through them; this is because we need to open only the ports that we need. If the firewall on the right is traversed, then the firewall on the left will hopefully prevent access to the internal network, known as the Local Area Network (LAN). To enable applications to pass through the firewall, we must open the port number for each application. Each application...