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You're reading from  ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide

Product typeBook
Published inSep 2023
PublisherPackt
ISBN-139781803236902
Edition1st Edition
Concepts
Cybersecurity
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Author (1)
Shobhit Mehta
Shobhit Mehta
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Shobhit Mehta

Shobhit Mehta is the Security and Compliance Director at Headspace, an on-demand mental health company in San Francisco, CA. Previously, he worked in different facets of security and assurance with HSBC, Deutsche Bank, Credit Suisse, PayPal, and Fidelity Investments. He also works with ISACA to develop exam questions for CISA, CISM, and CGEIT, served as the technical reviewer for the CGEIT and CISA review manuals, and is a published author for the COBIT 5 journal. He completed his MS in cybersecurity at Northeastern University, Boston, and holds CRISC, CISM, CISA, CGEIT, CISSP, and CCSP certifications. In his spare time, he likes to explore the inclined trails of the Bay Area, complete ultramarathons, and blog on GRCMusings.
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Computer networks

The term computer networks refers to interconnected computing devices that can exchange data and resources. Networks are used for almost all modern technology operations. The following list includes some of the different ways in which they can be used:

  • Enabling access to the internet and other applications via a web browser
  • Transferring data between individuals
  • Transferring data between applications
  • Performing data backups
  • Controlling remote equipment
  • Enabling communication

Just like humans need a common language to communicate with each other, networks need a common protocol to communicate with other networking devices. There are two main models to facilitate this communication:

  • TCP/IP model: Transmission Control Protocol/Internet Protocol (TCP/IP) is a set of communication protocols used to connect devices to the internet. TCP/IP is a layered protocol, with each layer responsible for specific functions in the communication...
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ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide
Published in: Sep 2023Publisher: PacktISBN-13: 9781803236902
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Shobhit Mehta

Shobhit Mehta is the Security and Compliance Director at Headspace, an on-demand mental health company in San Francisco, CA. Previously, he worked in different facets of security and assurance with HSBC, Deutsche Bank, Credit Suisse, PayPal, and Fidelity Investments. He also works with ISACA to develop exam questions for CISA, CISM, and CGEIT, served as the technical reviewer for the CGEIT and CISA review manuals, and is a published author for the COBIT 5 journal. He completed his MS in cybersecurity at Northeastern University, Boston, and holds CRISC, CISM, CISA, CGEIT, CISSP, and CCSP certifications. In his spare time, he likes to explore the inclined trails of the Bay Area, complete ultramarathons, and blog on GRCMusings.
Read more about Shobhit Mehta

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