Cloud Basics

Question 1

What is the Cloud?

Answer 1

Delivery of computing services over the internet, typically using a pay-as-you go model.

Question 2

What is Pay-as-you-go?

Answer 2

Renting computer resources based on the time, leaving the cloud provider to maintan the underlying infrastructure.

Question 3

What is On-Demand access?

Answer 3

Cloud resources are simular to resources in your own data center, when you’ve finsihed using them, they are returned

Question 4

Why move to the cloud?

Answer 4

Allows organizations to innovate faster and offers flexible resources and enhanced resilience compared to on-premises resources

Question 4

What are the Benefits of Cloud Computing?

Answer 4

You can gradually move to cloud, called also lift and shift
Elastic
Reliable
Scalable

Question 5

Why is the cloud cost effective?

Answer 5

• Provides pay-as-you-go or consumption-based model.
• No Upfront infrastructure cost
• Scalable (Stop paying for resources that are no longer needed.
• Enables better cost predictions using pricing of individual resources/services.

Question 6

What makes the cloud scalable?

Answer 6

• Increase or decrease the resources and services used based on the demand or workload at any given time
• Horizontal Scaling
• Vertical Scaling
  - Scaling “Up”
  - e.g adding more CPUs or
  more memory
• Can be done automatically or manually

Question 7

What makes the cloud Reliable?

Answer 7

Cloud provider offers data backup, disaster recovery, and data replication services.
Redundancy is often built into cloud services architecture.

Question 7

What makes the cloud Elastic?

Answer 7

Automatically add or remove resources to meet demand.
Add more resources at peak hours. Revert when traffic normalizes.