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

Testing methodology

Testing is one of the critical elements of the System Development Life Cycle (SDLC). The objective of testing is to ensure that the system is capable of providing its intended objective. For the CISA exam, we need to understand the following kinds of testing.

Unit testing

The following are some of the important aspects of unit tests:

  • Unit tests include tests of each separate program or module.
  • Testing is generally conducted by developers themselves. It is conducted as and when a program or module is ready and it does not need to wait until the completion of the entire system.
  • Unit testing is done via a white box approach wherein internal program logic is tested.

Integrated testing

An integrated test examines the integration or connection between two or more system components. The purpose of the integration test is to validate accurate and correct information flow between the systems.

The following figure will help us to understand the difference between unit testing...