Extras

Question 1

2 ways to store session state data for an app running on EC2

Answer 1

• Store session state data in DynamoDB

- ElastiCache to store session state

Question 2

pull Docker image to local work station

Answer 2

docker pull aws_account_id…..

Question 3

appspec.yml is stored

Answer 3

In root of app source directory

This is for CodeDeploy

Question 4

What AWS tool can you use to write code.

Answer 4

Cloud9

It is a cloud based IDE. You can write, run and debug in the browser.

Question 5

Simplest way to create a scalable worker environment to process tasks asynchronously

Answer 5

Elastic Beanstalk

Question 6

How to allow authorized client to invalidate API Gateway cache?

Answer 6

• Require Authorization in API cache settings

- client header request must contain Cache-Control:max-a=0

Question 7

If want to monitor traffic on bastion host to be alerted after 10 attempts to connect to host via SSH in 1 hour interval, what services should you use?

Answer 7

Configure VPC flow log with CloudWatch Logs as destination. Create CloudWatch metric filter for port 22. Create a CloudWatch Alarm trigger.

Question 8

How to simulate AZ failure for an RDS instance?

Answer 8

Perform a reboot with forced failover on RDS instance

Question 9

What AWS integration do you need if you want a request to be mapped to an integration request and see resulting integration response data mapped to method response?

Answer 9

Custom integration

Question 10

How to safely import SSL/TLS certificates?

Answer 10

IAM certificate store

AWS Certificate Manager

Question 11

When API Gateway is running a Lambda function and you suspect the Lambda function is taking too long to execute, what services should you use to investigate?

Answer 11

AWS X-Ray

API Gateway Integration Latency metric in CloudWatch (time API Gateway relays request to backend and when it receives response)