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

Storage Area Network

A Storage Area Network (SAN) is a hardware device that contains a large number of fast disks, such as Solid-State Drives (SSDs), and is isolated from the LAN as it has its own network. A SAN typically has Host Bus Adapters (HBAs) (https://searchstorage.techtarget.com/definition/host-bus-adapter) and switches (https://searchnetworking.techtarget.com/definition/switch) attached to storage arrays and servers. The disks are set up with some form of redundancy, such as RAID 5 and upward, so that the storage space is redundant. Each switch and storage system on the SAN must be interconnected, and the physical interconnections must support bandwidth levels that can adequately handle peak data activities. There are two connection types:

Figure 16: Storage area network

Each switch and storage system on the SAN must be interconnected, and the physical interconnections...