Amazon Web Service DVA-C02 Practice Questions

Use an IAM role

Use EC2 User Data

Create an IAM programmatic user and store the access key and secret access key on the EC2 ~/.aws/credentials file.

Create an S3 bucket policy that authorises public access

Configure ASG fast failover

Increase the minimum instance capacity of the Auto Scaling Group to 2

Change the scaling metric of auto-scaling policy to network bytes

Enable RDS Multi-AZ

Update stage variable value from the stage name of test to that of prod

API performance is optimized in a different way for prod environments. Hence, promoting test to prod is not correct. The promotion should be done by redeploying the API to the prod stage

Deploy the API without choosing a stage. This way, the working deployment will be updated in all stages

Delete the existing prod stage. Create a new stage with the same name (prod) and deploy the tested version on this stage

Use AWS Lambda aliases

Use environment variables

Use Tags to distinguish the different versions

Deploy your Lambda in a VPC

Setup RDS Read Replicas

Move to Amazon Redshift

Switch application code to AWS Lambda for better performance

Setup ElastiCache in front of RDS

Allows full S3 access to an Amazon Cognito user, but explicitly denies access to the Production bucket if the Cognito user is not authenticated

Allows a user to manage a single Amazon S3 bucket and denies every other AWS action and resource if the user is not signed in using MFA within last thirty minutes

Allows IAM users to access their own home directory in Amazon S3, programmatically and in the console

Allows full S3 access, but explicitly denies access to the Production bucket if the user has not signed in using MFA within the last thirty minutes