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You're reading from  CISA – Certified Information Systems Auditor Study Guide - Second Edition

Product typeBook
Published inJun 2023
PublisherPackt
ISBN-139781803248158
Edition2nd Edition
Concepts
Information Security
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Author (1)
Hemang Doshi
Hemang Doshi
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Hemang Doshi

Hemang Doshi has more than 15 years of experience in the field of system audit, IT risk and compliance, internal audit, risk management, information security audit, third-party risk management, and operational risk management. He has authored several books for certification such as CISA, CRISC, CISM, DISA, and enterprise risk management.
Read more about Hemang Doshi

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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...

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CISA – Certified Information Systems Auditor Study Guide - Second Edition
Published in: Jun 2023Publisher: PacktISBN-13: 9781803248158
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Hemang Doshi

Hemang Doshi has more than 15 years of experience in the field of system audit, IT risk and compliance, internal audit, risk management, information security audit, third-party risk management, and operational risk management. He has authored several books for certification such as CISA, CRISC, CISM, DISA, and enterprise risk management.
Read more about Hemang Doshi

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