Architecture

Question 1

When to use ASG schedule scaling

Answer 1

Use when you have a predicted time you expect a large amount of traffic or visa versa

Question 2

How does SQS work?

Answer 2

Component 1 sends messages to the queue and then component 2 receives and processes the message then deletes the message

Question 3

How do S3 events link with SNS and SQS

Answer 3

Create an SQS queue to receive messages S3 sends to the queue
next create a SNS topic and subscribe and attach a policy to the topic
Then enable notifications on the bucket enabling events for SQS and SNS

Question 4

How do you achieve high availability in a region

How do you achieve high availability globally

Answer 4

ALB and EC2

S3 transfer acceleration, cross region replication, cloud front + S3

Question 5

How do you pick between SQS and Kinesis?

Answer 5

If you need real time data choose kinesis

If you need queue to store messages between components use SQS