IT Infrastructure

Free CPA ISC (Information Systems & Controls) lesson in Information Systems and Data Management. 20 min read, ~3,057 words.

IT architecture consists of four layers: operating systems, servers (physical or virtual), network infrastructure, and end-user devices, each layer requires its own controls. Cloud service models define responsibility splits: IaaS (customer controls OS up), PaaS (customer controls applications and data), SaaS (customer controls only data and access). Cloud deployment models...

What this lesson covers

• Content
• Example 1
• Example 2
• Common Mistakes
• Key Takeaways
• Exam Shortcuts

Learning objectives

• I.A1

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