Cloud Computing & AWS Basics -
Study Guide
Core concepts, EC2, S3, databases, networking and billing -
certification-friendly notes
Complete Study Guide | Key Concepts | Examples | Practice Questions
, 1. Cloud Concepts
Cloud computing delivers IT resources on demand over the internet with pay-as-you-go pricing. The shared
responsibility model splits security duties between provider and customer.
- IaaS (EC2): you manage OS and apps. PaaS (Elastic Beanstalk): you manage code. SaaS (Gmail): you just
use it.
- Deployment: public, private, hybrid cloud.
- Benefits: elasticity, agility, no upfront cost, global reach in minutes.
- Shared responsibility: AWS secures OF the cloud (hardware, network); you secure IN the cloud (data, configs,
access).
- Regions are geographic areas; Availability Zones are isolated data centres within a region - design across AZs.
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Study Guide
Core concepts, EC2, S3, databases, networking and billing -
certification-friendly notes
Complete Study Guide | Key Concepts | Examples | Practice Questions
, 1. Cloud Concepts
Cloud computing delivers IT resources on demand over the internet with pay-as-you-go pricing. The shared
responsibility model splits security duties between provider and customer.
- IaaS (EC2): you manage OS and apps. PaaS (Elastic Beanstalk): you manage code. SaaS (Gmail): you just
use it.
- Deployment: public, private, hybrid cloud.
- Benefits: elasticity, agility, no upfront cost, global reach in minutes.
- Shared responsibility: AWS secures OF the cloud (hardware, network); you secure IN the cloud (data, configs,
access).
- Regions are geographic areas; Availability Zones are isolated data centres within a region - design across AZs.
Page 1
