# Cloud Computing Unit 3: Cloud Architecture, Services and Storage

> Unit 3 explains how a cloud is structured in layers, the three ways a cloud can be deployed, the services providers offer, the types of cloud storage, and how usage is charged.

Course code: KCS-713 (AKTU). Code shown in the November 2022 lesson. Check that your current AKTU scheme uses the same code.

## In this unit
- Name the four layers of the cloud architecture and what each one manages.
- Explain public, private and hybrid clouds with their advantages and limitations.
- Distinguish IaaS, PaaS and SaaS by who manages what.
- Describe personal, public, private and hybrid cloud storage.
- Compare the utility and subscription charging models.

## Topics (in lesson order)
1. Layered architecture
2. Public cloud
3. Private cloud
4. Hybrid cloud
5. Services in the cloud
6. Cloud storage and its types
7. Charging system

## Resources
- Video lesson: [Cloud Computing Unit 3: Cloud Architecture, Services and Storage](https://www.uniqueappsites.com/lessons/cloud-computing-unit-3-full-explanation)
- Notes: [Cloud Computing Unit 3 handwritten notes](https://www.uniqueappsites.com/notes/cloud-computing-unit-3-notes)
- Revision checklist: [Cloud Computing Unit 3 revision checklist](https://www.uniqueappsites.com/revision/cloud-computing-unit-3-revision-checklist)

---
Source page: https://www.uniqueappsites.com/subjects/cloud-computing/units/3
Published by Unique AppSites (https://www.uniqueappsites.com/), the channel by Anubhav Goel. Course codes and syllabi can change. Match the material to your current university scheme before relying on it for exam preparation.