HA Section within HA

Question 1

What are the HA Exam Tips (the chapter on HA only)

Answer 1

1. Always design for failure.
2. Use multiple AZs and Multiple Regions where ever you can.
3. Know the difference between Multi-AZ and Read Replicas for RDS (Read Replicas are for performance, not HA)
4. Know the difference between scaling out and scaling up.
5. Read the question carefully and always consider the cost element.

Question 2

What is Cloud Formation?

Answer 2

Cloud formation is a way of completely scripting your cloud environment.

Quick Start is a bunch of Cloud Formation templates already built by AWS Solutions Architects allowing you to create complex environments quickly.

Uses JSON and is advanced compared to Elastic Bean Stalk which is designed more for beginners.

Question 3

What is Elastic Beanstalk?

Answer 3

With Elastic Beanstalk, you can quickly deploy and manage applications in the AWS Cloud without worrying about the infrastructure that runs these applications. You simply upload your application, and Elastic Beanstalk automatically handles the details of capacity provisioning, load balancing, scaling, and application health monitoring.

Question 4

Name the 8 “Compute” services?

***Note - only putting this card in HA section because that’s where Cloud Guru mentions it.

Answer 4

1. EC2
2. Lightsail
3. ECR
4. ECS
5. EKS
6. Lambda
7. Batch
8. Elastic Beanstalk