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CISA – Certified Information Systems Auditor Study Guide

You're reading from   CISA – Certified Information Systems Auditor Study Guide Ace the CISA exam with practical examples and over 1000 exam-oriented practice questions

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Product type Paperback
Published in Oct 2024
Publisher Packt
ISBN-13 9781835882863
Length 356 pages
Edition 3rd Edition
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Author (1):
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Hemang Doshi Hemang Doshi
Author Profile Icon Hemang Doshi
Hemang Doshi
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Table of Contents (15) Chapters Close

Preface 1. Chapter 1: Audit Planning 2. Chapter 2: Audit Execution FREE CHAPTER 3. Chapter 3: IT Governance 4. Chapter 4: IT Management 5. Chapter 5: Information Systems Acquisition and Development 6. Chapter 6: Information Systems Implementation 7. Chapter 7: Information Systems Operations 8. Chapter 8: Business Resilience 9. Chapter 9: Information Asset Security and Control 10. Chapter 10: Network Security and Control 11. Chapter 11: Public Key Cryptography and Other Emerging Technologies 12. Chapter 12: Security Event Management 13. Chapter 13: Accessing the Online Practice Resources 14. Other Books You May Enjoy

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

Application clustering 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. The aim of clustering is to provide for the high availability of the system. Clustering helps to protect an application against a disaster. In a clustered environment, multiple servers work together as one system. If one server fails due to a disaster, the other servers take over, keeping the application running.

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...

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