Module 1: Introduction to AWS

Question 1

What are the 4 key benefits of AWS?

Answer 1

1. Access services on demand
2. Avoid large upfront investments (No Capex, only Opex)
3. Provision computing resources when needed
4. Only pay for what you use

Question 2

What are the 3 cloud deployment models? How are they defined?

Answer 2

Cloud - Run all applications in the cloud. Migrate all existing applications to the cloud. Design and build new applications in the cloud.

On premises - Everything is on premises. Use virtualization and resource management tools to increase resource usage.

Hybrid - Connect cloud-based resources to on-premises infrastructure. Integration of cloud-based resources with legacy IT systems.

Question 3

What are the 6 key benefits of cloud computing?

Answer 3

1. Capital -> Variable expense
2. Cost optimisation - no need to spend money maintaining on premises infrastructure
3. No capacity concerns - can scale out or in as needed
4. Economies of scale - Cheaper when more customers use it
5. Speed - Deploy in minutes
6. Global - AWS has a global infrastructure so you can quickly deploy worldwide

Question 4

What are the 6 core service categories?

Answer 4

Compute
Networking and Content Delivery
Storage
Database
Security, Identity, and Compliance
Management and Governance