Book Image

CompTIA Security+ Certification Guide

By : Ian Neil
Book Image

CompTIA Security+ Certification Guide

By: Ian Neil

Overview of this book

CompTIA Security+ is a worldwide certification that establishes the fundamental knowledge required to perform core security functions and pursue an IT security career. CompTIA Security+ Certification Guide is a best-in-class exam study guide that covers all of CompTIA Security+ 501 exam objectives. It is authored by Ian Neil, who is a world-class trainer of CompTIA Security+ 501. Packed with self-assessment scenarios and realistic exam questions, this guide will help you master the core concepts to succeed in the exam the first time you take it. Using relevant examples, you will learn all the important security fundamentals from Certificates and Encryption to Identity and Access Management concepts. You will then dive into the important domains of the exam; namely, threats, attacks and vulnerabilities, technologies and tools, architecture and design, risk management, and cryptography and Public Key Infrastructure (PKI). This book comes with over 600 practice questions with detailed explanation that is at the exam level and also includes two mock exams to help you with your study plan. This guide will ensure that encryption and certificates are made easy for you.
Table of Contents (18 chapters)
12
Mock Exam 1
13
Mock Exam 2
15
Acronyms

Comparing and Contrasting the Basic Concepts of Cryptography

The most common asymmetric algorithms include the DH algorithm, which creates a secure session so that symmetric data can flow securely. An example of this would be the L2TP/IPsec VPN. RSA is the most commonly used asymmetric algorithm, and was the very first of its kind, creating public and private key pairs. ECC is an asymmetric algorithm used for the encryption of small mobile devices.

Asymmetric – PKI

Asymmetric keys are obtained from a CA. If you are selling products or services with external entities, then you need to obtain your X509s from a public CA, otherwise your internal certificates will not be accepted.

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