Free DVA-C02 Exam Questions - Amazon DVA-C02 Exam

Amazon DVA-C02 Exam

Total Questions: 292

Last Updated : 20-11-2024

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Amazon DVA-C02 Exam Sample Questions:

Q1.

A developer is building a new application on AWS. The application uses an AWS Lambda function that retrieves information from an Amazon DynamoDB table. The developer hard coded the DynamoDB table name into the Lambda function code. The table name might change over time. The developer does not want to modify the Lambda code if the table name changes.

Which solution will meet these requirements MOST efficiently?

ACreate a Lambda environment variable to store the table name. Use the standard method for the programming language to retrieve the variable.

BStore the table name in a file. Store the file in the /tmp folder. Use the SDK for the programming language to retrieve the table name.

CCreate a file to store the table name. Zip the file and upload the file to the Lambda layer. Use the SDK for the programming language to retrieve the table name.

DCreate a global variable that is outside the handler in the Lambda function to store the table name.

Q2.

A developer is migrating some features from a legacy monolithic application to use AWS Lambda functions instead. The application currently stores data in an Amazon Aurora DB cluster that runs in private subnets in a VPC. The AWS account has one VPC deployed. The Lambda functions and the DB cluster are deployed in the same AWS Region in the same AWS account.

The developer needs to ensure that the Lambda functions can securely access the DB cluster without crossing the public internet.

Which solution will meet these requirements?

AConfigure the DB cluster's public access setting to Yes.

BConfigure an Amazon RDS database proxy for he Lambda functions.

CConfigure a NAT gateway and a security group for the Lambda functions.

DConfigure the VPC, subnets, and a security group for the Lambda functions.

Q3.

A developer is incorporating AWS X-Ray into an application that handles personal identifiable information (PII). The application is hosted on Amazon EC2 instances. The application trace messages include encrypted PII and go to Amazon CloudWatch. The developer needs to ensure that no PII goes outside of the EC2 instances.

Which solution will meet these requirements?

AManually instrument the X-Ray SDK in the application code.

BUse the X-Ray auto-instrumentation agent.

CUse Amazon Macie to detect and hide PII. Call the X-Ray API from AWS Lambda.

DUse AWS Distro for Open Telemetry.

Q4.

A company has deployed an application on AWS Elastic Beanstalk. The company has configured the Auto Scaling group that is associated with the Elastic Beanstalk environment to have five Amazon EC2 instances. If the capacity is fewer than four EC2 instances during the deployment, application performance degrades. The company is using the all-at-once deployment policy.

What is the MOST cost-effective way to solve the deployment issue?

AChange the Auto Scaling group to six desired instances.

BChange the deployment policy to traffic splitting. Specify an evaluation time of 1 hour.

CChange the deployment policy to rolling with additional batch. Specify a batch size of 1.

DChange the deployment policy to rolling. Specify a batch size of 2.

Q5.

A company is building a web application on AWS. When a customer sends a request, the application will generate reports and then make the reports available to the customer within one hour. Reports should be accessible to the customer for 8 hours. Some reports are larger than 1 MB. Each report is unique to the customer. The application should delete all reports that are older than 2 days.

Which solution will meet these requirements with the LEAST operational overhead?

AGenerate the reports and then store the reports as Amazon DynamoDB items that have a specified TTL. Generate a URL that retrieves the reports from DynamoDB. Provide the URL to customers through the web application.

BGenerate the reports and then store the reports in an Amazon S3 bucket that uses server-side encryption. Attach the reports to an Amazon Simple Notification Service (Amazon SNS) message. Subscribe the customer to email notifications from Amazon SNS.

CGenerate the reports and then store the reports in an Amazon S3 bucket that uses server-side encryption. Generate a presigned URL that contains an expiration date Provide the URL to customers through the web application. Add S3 Lifecycle configuration rules to the S3 bucket to delete old reports.

DGenerate the reports and then store the reports in an Amazon RDS database with a date stamp. Generate an URL that retrieves the reports from the RDS database. Provide the URL to customers through the web application. Schedule an hourly AWS Lambda function to delete database records that have expired date stamps.

Solutions:

Question: 1 Answer: C

Question: 2 Answer: D

Question: 3 Answer: B

Question: 4 Answer: C

Question: 5 Answer: B