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CISA – Certified Information Systems Auditor Study Guide - Second Edition

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

Product type Book
Published in Jun 2023
Publisher Packt
ISBN-13 9781803248158
Pages 330 pages
Edition 2nd Edition
Languages
Concepts
Author (1):
Hemang Doshi Hemang Doshi
Profile icon Hemang Doshi
LinkedIn
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.
See other products by Hemang Doshi

Table of Contents (14) Chapters

Preface 1. Chapter 1: Audit Planning 2. Chapter 2: Audit Execution 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. Other Books You May Enjoy

Voice over Internet Protocol (VoIP)

VoIP is the transmission of voice and other content over IP networks. It is also known as IP telephony or internet telephony. It is made possible by digitalizing sounds into IP packets and transmitting them through a network layer where they are again decoded to sound. VoIP is a cost-effective solution for long-distance calls. VoIP can be operated from IP infrastructure and very little additional telephony infrastructure is required.

A CISA aspirant is required to understand the following aspects of VoIP:

  • It is very important to consider a backup arrangement for a VoIP system as data traffic normally has less reliability. A backup arrangement is required to ensure that communication is not interrupted in case of an undesirable event impacting the network service.
  • Bandwidth capacity should be determined for voice traffic to ensure the quality of the service.
  • VoIP infrastructure should be designed in consideration of laws and regulations...
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Authors (1)

Profile icon Hemang Doshi
LinkedIn
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.
See other products by Hemang Doshi

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