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)

System Resiliency

System resilience is the ability of a system to withstand a disaster and recover from it within an acceptable timeframe. This section presents a detailed discussion of application and telecommunications resiliency.

Application Resiliency – Clustering

Clustering helps to protect an application against a disaster. The aim of clustering is to provide for the high availability of the system.

Application clustering often refers to a method of managing many servers through software. Clustered servers can help to create fault-tolerant systems and provide quicker responses and more capable data management for large networks.

An application that is clustered is protected against a single point of failure.

Application clusters can be either active-passive or active-active. In an active-passive setup, an application runs only on one active node, with the other passive nodes used only if the application fails on the active node.

In an active-active cluster...