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Ace Your DVA-C01 AWS Certified Associate Exam

Page: 14 / 23
Total 608 questions

AWS Certified Developer Associate Exam Questions and Answers

Question 53

An on-premises application is implemented using a Linux, Apache, MySQL and PHP (LAMP) stack. The Developer wants to run this application in AWS.

Which of the following sets of AWS services can be used to run this stack?

Options:

A.

Amazon API Gateway, Amazon S3

B.

AWS Lambda, Amazon DynamoDB

C.

Amazon EC2, Amazon Aurora

D.

Amazon Cognito, Amazon RDS

E.

Amazon ECS, Amazon EBS

Question 54

A developer is testing a Docker-based application that uses the AWS SDK to interact with Amazon DynamoDB In the local development environment, the application has used IAM access keys The application is now ready for deployment onto an ECS duster.

How should the application authenticate with AWS services in production?

Options:

A.

Configure an ECS task IAM role for the application to use

B.

Refactor the application to call AWS STS AssumeRole based on an instance role

C.

Configure AWS access key/secret access key environment variables with new credentials

D.

Configure the credentials file with a new access key/secret access key

Question 55

A developer has written an Amazon kinesis Data streams application. As usage grows and traffic over time, the application is regularly receiving provisionedThroughputExceededException error messages.

Which steps should the Developer take to resolve the error? (Select Two.)

Options:

A.

Use Auto scaling to scale the stream for better performance.

B.

Increase the delay between the GetRecords call and the PutRecords call.

C.

Increase the number of shards in the data stream.

D.

Specify a shard iterator using the shardlterator parameter.

E.

Implement exponential backoff on the GetRecords call and the PutRecords call.

Question 56

A development team is creating a new application designed to run on AWS. While the test and production environments will run on Amazon EC2 instances, developers will each run their own environment on their laptops.

Which of the following is the simplest and MOST secure way to access AWS services from the local development machines?

Options:

A.

Use an IAM role to assume a role and execute API calls using the role.

B.

Create an IAM user to be shared with the entire development team, provide the development team with the access key.

C.

Create an IAM user for each developer on the team: provide each developer with a unique access key

D.

Set up a federation through an Amazon Cognito user pool.

Page: 14 / 23
Total 608 questions