Book Image

CISA – Certified Information Systems Auditor Study Guide - Second Edition

By : Hemang Doshi
5 (3)
Book Image

CISA – Certified Information Systems Auditor Study Guide - Second Edition

5 (3)
By: Hemang Doshi

Overview of this book

With the latest updates and revised study material, this second edition of the Certified Information Systems Auditor Study Guide provides an excellent starting point for your CISA certification preparation. The book strengthens your grip on the core concepts through a three-step approach. First, it presents the fundamentals with easy-to-understand theoretical explanations. Next, it provides a list of key aspects that are crucial from the CISA exam perspective, ensuring you focus on important pointers for the exam. Finally, the book makes you an expert in specific topics by engaging you with self-assessment questions designed to align with the exam format, challenging you to apply your knowledge and sharpen your understanding. Moreover, the book comes with lifetime access to supplementary resources on an online platform, including CISA flashcards, practice questions, and valuable exam tips. With unlimited access to the website, you’ll have the flexibility to practice as many times as you desire, maximizing your exam readiness. By the end of this book, you’ll have developed the proficiency to successfully obtain the CISA certification and significantly upgrade your auditing career.
Table of Contents (14 chapters)

Virtualization

Virtualization makes it possible to run multiple operating systems simultaneously on a single computer. It refers to the act of creating a virtual (rather than an actual) version of system-related hardware. With the use of virtualization, organizations can increase efficiency and reduce the cost of IT operations. Virtual resources such as the server, desktop, operating system, storage, and networks can be created with the help of virtualization tools.

Some important terms for virtualization are as follows:

  • Hypervisor: Software or hardware used to create virtual resources.

This is the most important element of virtualization as it aids in the creation of virtual resources.

  • Host: The original computer.
  • Guest: Virtual resources created by a hypervisor.

The following are some of the risks of virtualization:

  • The improper configuration of hypervisors may allow unauthorized access to guests.
  • Attackers may be able to gain unauthorized...