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Achieving the Amazon DVA-C02 Certification demonstrates that the candidate has the skills and knowledge required to develop and maintain applications on the AWS platform. It also indicates that the candidate has a deep understanding of AWS services and best practices, and is able to design and implement scalable, reliable, and highly available applications on the AWS platform.

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The AWS Certified Developer - Associate exam is the second level of certification in the AWS Developer track. It is intended for individuals who have a minimum of one year of hands-on experience developing and maintaining AWS-based applications. DVA-C02 exam is focused on testing the candidate's knowledge of AWS core services and their ability to develop and deploy scalable, highly available, and fault-tolerant applications on the AWS platform.

To earn the DVA-C02 Certification, candidates must pass a 130-minute exam consisting of 65 multiple-choice and multiple-response questions. DVA-C02 exam is available in English, Japanese, Korean, and Simplified Chinese. AWS Certified Developer - Associate certification is valid for three years, after which candidates must recertify to maintain their credentials.

Amazon AWS Certified Developer - Associate Sample Questions (Q365-Q370):

NEW QUESTION # 365
A developer wants to insert a record into an Amazon DynamoDB table as soon as a new file is added to an Amazon S3 bucket.
Which set of steps would be necessary to achieve this?

A. Create an AWS Lambda function that will poll the S3 bucket and then insert the records into DynamoDB.
B. Create a cron job that will run at a scheduled time and insert the records into DynamoDB.
C. Configure an S3 event to invoke an AWS Lambda function that inserts records into DynamoDB.
D. Create an event with Amazon EventBridge that will monitor the S3 bucket and then insert the records into DynamoDB.

Answer: C

Explanation:
Amazon S3 is a service that provides highly scalable, durable, and secure object storage. Amazon DynamoDB is a fully managed NoSQL database service that provides fast and consistent performance with seamless scalability. AWS Lambda is a service that lets developers run code without provisioning or managing servers.
The developer can configure an S3 event to invoke a Lambda function that inserts records into DynamoDB whenever a new file is added to the S3 bucket. This solution will meet the requirement of inserting a record into DynamoDB as soon as a new file is added to S3.

NEW QUESTION # 366
An ecommerce company is planning to migrate an on-premises Microsoft SQL Server database to the AWS Cloud. The company needs to migrate the database to SQL Server Always On availability groups. The cloud- based solution must be highly available.
Which solution will meet these requirements?

A. Migrate the database to Amazon RDS for SQL Server. Configure a Multi-AZ deployment and read replicas.
B. Deploy three Amazon EC2 instances with SQL Server across three Availability Zones. Use Amazon FSx for Windows File Server as the storage tier.
C. Deploy three Amazon EC2 instances with SQL Server across three Availability Zones. Use Amazon S3 as the storage tier.
D. Deploy three Amazon EC2 instances with SQL Server across three Availability Zones. Attach one Amazon Elastic Block Store (Amazon EBS) volume to the EC2 instances.

Answer: B

Explanation:
Comprehensive Detailed Explanation with all AWS References
* Why Option C is Correct:SQL Server Always On availability groups require a shared storage solution. Amazon FSx for Windows File Server provides the shared storage necessary to implement Always On availability groups in a highly available configuration.
* Why Other Options are Incorrect:
* Option A: A single EBS volume cannot provide shared storage for Always On availability groups.
* Option B: RDS does not support SQL Server Always On availability groups.
* Option D: S3 is not a suitable storage tier for SQL Server database operations.
* AWS Documentation References:
* Amazon FSx for Windows File Server

NEW QUESTION # 367
An Amazon Simple Queue Service (Amazon SQS) queue serves as an event source for an AWS Lambda function. In the SQS queue, each item corresponds to a video file that the Lambda function must convert to a smaller resolution. The Lambda function is timing out on longer video files, but the Lambda function's timeout is already configured to its maximum value.
What should a developer do to avoid the timeouts without additional code changes?

A. Use multi-threading for the conversion.
B. Increase the memory configuration of the Lambda function.
C. Increase the visibility timeout on the SQS queue.
D. Increase the instance size of the host that runs the Lambda function.

Answer: A

NEW QUESTION # 368
A company hosts a client-side web application for one of its subsidiaries on Amazon S3. The web application can be accessed through Amazon CloudFront from https://www.example.com. After a successful rollout, the company wants to host three more client-side web applications for its remaining subsidiaries on three separate S3 buckets.
To achieve this goal, a developer moves all the common JavaScript files and web fonts to a central S3 bucket that serves the web applications. However, during testing, the developer notices that the browser blocks the JavaScript files and web fonts.
What should the developer do to prevent the browser from blocking the JavaScript files and web fonts?

A. Create four access points that allow access to the central S3 bucket. Assign an access point to each web application bucket.
B. Create a bucket policy that allows access to the central S3 bucket. Attach the bucket policy to the central S3 bucket.
C. Create a cross-origin resource sharing (CORS) configuration that allows access to the central S3 bucket.
Add the CORS configuration to the central S3 bucket.
D. Create a Content-MD5 header that provides a message integrity check for the central S3 bucket. Insert the Content-MD5 header for each web application request.

Answer: C

NEW QUESTION # 369
An online food company provides an Amazon API Gateway HTTP API 1o receive orders for partners. The API is integrated with an AWS Lambda function. The Lambda function stores the orders in an Amazon DynamoDB table.
The company expects to onboard additional partners Some to me panthers require additional Lambda function to receive orders. The company has created an Amazon S3 bucket. The company needs 10 store all orders and updates m the S3 bucket for future analysis How can the developer ensure that an orders and updates are stored to Amazon S3 with the LEAST development effort?

A. Use Amazon Kinesis Data Streams to create a new data stream. Modify the Lambda function to publish orders to the oats stream Configure in data stream to write to the S3 bucket.
B. Modify the Lambda function to punish to a new Amazon. Simple Lambda function receives orders.Subscribe a new Lambda function to the topic. Configure the new Lambda function to write to the S3 bucket as updates come through the topic.
C. Create a new Lambda function and a new API Gateway API endpoint. Configure the new Lambda function to write to the S3 bucket. Modify the original Lambda function to post updates to the new API endpoint.
D. Enable DynamoDB Streams on me DynamoOB table. Create a new lambda function. Associate the stream's Amazon Resource Name (ARN) with the Lambda Function Configure the Lambda function to write to the S3 bucket as records appear in the table's stream.

Answer: D

Explanation:
This solution will ensure that all orders and updates are stored to Amazon S3 with the least development effort because it uses DynamoDB Streams to capture changes in the DynamoDB table and trigger a Lambda function to write those changes to the S3 bucket. This way, the original Lambda function and API Gateway API endpoint do not need to be modified, and no additional services are required. Option A is not optimal because it will require more development effort to create a new Lambda function and a new API Gateway API endpoint, and to modify the original Lambda function to post updates to the new API endpoint. Option B is not optimal because it will introduce additional costs and complexity to use Amazon Kinesis Data Streams to create a new data stream, and to modify the Lambda function to publish orders to the data stream. Option D is not optimal because it will require more development effort to modify the Lambda function to publish to a new Amazon SNS topic, and to create and subscribe a new Lambda function to the topic.
References: Using DynamoDB Streams, Using AWS Lambda with Amazon S3

NEW QUESTION # 370
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