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

Author (1)

Hemang Doshi

Network and Endpoint Devices

The hardening and configuration of network and endpoint devices are very important from the perspective of information security. An IS auditor should therefore be aware of the basic functioning and capability of network devices to evaluate the risk and control associated with them. In this section, we will identify the risks associated with network security and related controls.

Open System Interconnection (OSI) Layers

The OSI model explains the layered steps of the network. In an OSI model, there are seven layers, and each layer is defined according to a specific function to be performed. All these layers collaborate to transmit the data from one layer to another. The following table shows the functions of each layer:

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CISA – Certified Information Systems Auditor Study Guide - Second Edition

Published in: Jun 2023Publisher: PacktISBN-13: 9781803248158

Author (1)

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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Layer	Name	Description
1st	Physical layer	The physical layer...

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

Network and Endpoint Devices

Open System Interconnection (OSI) Layers

Unlock this book and the full library FREE for 7 days

Author (1)

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