Book Image

CISA – Certified Information Systems Auditor Study Guide

By : Hemang Doshi
Book Image

CISA – Certified Information Systems Auditor Study Guide

By: Hemang Doshi

Overview of this book

Are you looking to prepare for the CISA exam and understand the roles and responsibilities of an information systems (IS) auditor? The CISA - Certified Information Systems Auditor Study Guide is here to help you get started with CISA exam prep. This book covers all the five CISA domains in detail to help you pass the exam. You’ll start by getting up and running with the practical aspects of an information systems audit. The book then shows you how to govern and manage IT, before getting you up to speed with acquiring information systems. As you progress, you’ll gain knowledge of information systems operations and understand how to maintain business resilience, which will help you tackle various real-world business problems. Finally, you’ll be able to assist your organization in effectively protecting and controlling information systems with IT audit standards. By the end of this CISA book, you'll not only have covered the essential concepts and techniques you need to know to pass the CISA certification exam but also have the ability to apply them in the real world.
Table of Contents (19 chapters)
1
Section 1: Information System Auditing Process
4
Section 2: Governance and Management of IT
7
Section 3: Information Systems Acquisition, Development, and Implementation
10
Section 4: Information System Operations and Business Resilience
13
Section 5: Protection of Information Assets

Evaluating the database management process

A database management system (DBMS) helps in organizing, controlling, and managing data. It aims to reduce data redundancy and improve access time. It also aims to provide appropriate security for sensitive data.

Advantages of database management

The following are some of the advantages of using DBMS:

  • Centralized data management reduces the cost, time, and effort it takes to manage data.
  • It helps in improving database performance by reducing data redundancy.
  • It helps in improving the efficiency of transaction processing.
  • It ensures data consistency.
  • It provides security for sensitive data.
  • Various checks and controls in DBMSes ensure data integrity.
  • A DBMS provides a structured way to manage user access.

Database structures

It is important to understand various database structures to evaluate database risks. CISA aspirants should understand the following database models.

Hierarchical database model

Let's try to understand the hierarchical...