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Amazon Web Services Updated DVA-C02 Exam Questions and Answers by madeleine

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Amazon Web Services DVA-C02 Exam Overview :

Exam Name: AWS Certified Developer - Associate
Exam Code: DVA-C02 Dumps
Vendor: Amazon Web Services Certification: AWS Certified Associate
Questions: 470 Q&A's Shared By: madeleine
Question 44

A developer is monitoring an application that runs on an Amazon EC2 Instance. The developer has configured a custom Amazon CloudWatch metric with data granularity of 1 second. It any issues occur, the developer wants to be notified within 30 seconds by Amazon Simple Notification Service (Amazon SNS).

What should the developer do to meet this requirement?

Options:

A.

Configure a high-resolution CloudWatch alarm.

B.

Set up a custom CloudWatch dashboard.

C.

Use Amazon CloudWatch Logs Insights.

D.

Change to a default CloudWatch metric.

Discussion
Question 45

A company requires that all applications running on Amazon EC2 use 1AM roles to gam access to AWS services. A developer is modifying an application that currently relies on 1AM user access keys stored in environment variables to access Amazon DynamoDB tables using boto, the AWS SDK for Python.

The developer associated a role with the same permissions as the 1AM user to the EC2 instance, then deleted the 1AM user. When the application was restarted, the AWS

Access Denied Exception messages started appearing in the application logs. The developer was able to use their personal account on the server to run DynamoDB API commands using the AWS CLI.

What is the MOST likely cause of the exception?

Options:

A.

1AM policies might take a few minutes to propagate to resources.

B.

Disabled environment variable credentials are still being used by the application.

C.

The AWS SDK does not support credentials obtained using an instance role.

D.

The instance's security group does not allow access to http://169.254.169.254.

Discussion
Question 46

A company is building a serverless application that uses AWS Lambda functions. The company needs to create a set of test events to test Lambda functions in a development environment. The test events will be created once and then will be used by all the developers in an 1AM developer group. The test events must be editable by any of the 1AM users in the 1AM developer group.

Which solution will meet these requirements?

Options:

A.

Create and store the test events in Amazon S3 as JSON objects. Allow S3 bucket access to all 1AM users.

B.

Create the test events. Configure the event sharing settings to make the test events shareable.

C.

Create and store the test events in Amazon DynamoDB. Allow access to DynamoDB by using 1AM roles.

D.

Create the test events. Configure the event sharing settings to make the test events private.

Discussion
Question 47

A company has developed a new serverless application using AWS Lambda functions that will be deployed using the AWS Serverless Application Model (AWS SAM) CLI.

Which step should the developer complete prior to deploying the application?

Options:

A.

Compress the application to a zip file and upload it into AWS Lambda.

B.

Test the new AWS Lambda function by first tracing it m AWS X-Ray.

C.

Bundle the serverless application using a SAM package.

D.

Create the application environment using the eb create my-env command.

Discussion
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