ADeveloper has written a serverless application using multiple AWSservices. 

The business logic is written as a Lambda function which has dependencies on third-party libraries. 

The Lambda function endpoints will be exposed using Amazon APIGateway. 

The Lambda function will write the information to Amazon DynamoDB. The Developer is ready to deploy the application but must have the ability to rollback. 

How can this deployment be automated, based on these requirements?

Which of the following device names is recommended for an EBS volume that can be attached to an Amazon EC2 Instance running Windows?

An application is designed to use Amazon SQSto manage messages from many independent senders. Each sender's messages must be processed in the order they are received. 

Which SQSfeature should be implemented by the Developer?

What kind of service is provided by AWS DynamoDB?

Which of the below mentioned commands allows the user to share the AMI with his peers using the AWS EC2 CLI?

A Developer has created an S3 bucket s3://mycoolapp and has enabled server across logging that points to the folder s3://mycoolapp/logs. 

The Developer moved 100 KBof Cascading Style Sheets (CSS) documents to the folder s3://mycoolapp/css, and then stopped work. 

When the developer came back a few days later, the bucket was 50 GB. 

What is the MOSTlikely cause of this situation?

Acompany is migrating its on-premises database to Amazon RDSfor MySQL. 

The company has read-heavy workloads, and wants to make sure it re-factors its code to achieve optimum read performance for its queries. 

How can this objective be met?

Bob is an IAM user who has access to the EC2 services. 

Admin is an IAM user who has access to all the AWS services including IAM. 

Can Bob change his password?