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Amazon DVA-C02 Exam Overview:

Certification Vendor:Amazon Web Services (AWS)
Exam Name:AWS Certified Developer - Associate
Exam Number:DVA-C02
Exam Price:150 USD
Exam Format:Multiple response, Multiple choice
Certificate Validity Period:3 years
Available Languages:Korean, English, Portuguese (Brazil), Japanese, Simplified Chinese, Spanish (Latin America)
Related Certifications:AWS Certified Cloud Practitioner
AWS Certified DevOps Engineer - Professional
Passing Score:720 (scaled score of 100–1,000)
Real Exam Qty:65 (50 scored, 15 unscored)
Exam Duration:130 minutes
Sample Questions:Amazon DVA-C02 Sample Questions
Exam Way:Pearson VUE testing center or online proctored exam
Pre Condition:Recommended 1 or more years of hands-on experience in developing and maintaining applications using AWS services. Proficiency in at least one high-level programming language.
Official Syllabus URL:https://aws.amazon.com/certification/certified-developer-associate/

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The DVA-C02 certification is valuable for developers who want to demonstrate their proficiency in AWS development and increase their job prospects. It can also help developers earn higher salaries and gain recognition as experts in the field. Overall, the DVA-C02 Certification is an excellent opportunity for developers to validate their skills in AWS development and advance their careers.

Amazon AWS Certified Developer - Associate Sample Questions (Q214-Q219):

NEW QUESTION # 214
A social media application is experiencing high volumes of new user requests after a recent marketing campaign. The application is served by an Amazon RDS for MySQL instance. A solutions architect examines the database performance and notices high CPU usage and many "too many connections" errors that lead to failed requests on the database. The solutions architect needs to address the failed requests.
Which solution will meet this requirement?

Answer: A

Explanation:
Comprehensive Detailed Explanation with all AWS Reference
Why Option B is Correct:
RDS Proxy manages database connections efficiently, reducing overhead on the RDS instance and mitigating "too many connections" errors.
Why Other Options are Incorrect:
Option A: DAX is for DynamoDB, not RDS.
Option C: Migration to PostgreSQL does not address the current issue.
Option D: ElastiCache is useful for caching but does not solve connection pool issues.
AWS Documentation Reference:
Amazon RDS Proxy


NEW QUESTION # 215
A developer is creating a serverless application that uses an AWS Lambda function. The developer will use AWS CloudFormation to deploy the application. The application will write logs to Amazon CloudWatch Logs. The developer has created a log group in a CloudFormation template for the application to use. The developer needs to modify the CloudFormation template to make the name of the log group available to the application at runtime.
Which solution will meet this requirement?

Answer: A


NEW QUESTION # 216
An application that is running on Amazon EC2 instances stores data in an Amazon S3 bucket. All the data must be encrypted in transit.
How can a developer ensure that all traffic to the S3 bucket is encrypted?

Answer: A


NEW QUESTION # 217
A developer has created an AWS Lambda function that is written in Python. The Lambda function reads data from objects in Amazon S3 and writes data to an Amazon DynamoDB table. The function is successfully invoked from an S3 event notification when an object is created. However, the function fails when it attempts to write to the DynamoDB table.
What is the MOST likely cause of this issue?

Answer: D

Explanation:
https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_examples_lambda-access-dynamodb.html


NEW QUESTION # 218
A developer is creating a new REST API by using Amazon API Gateway and AWS Lambda. The development team tests the API and validates responses for the known use cases before deploying the API to the production environment.
The developer wants to make the REST API available for testing by using API Gateway locally.
Which AWS Serverless Application Model Command Line Interface (AWS SAM CLI) subcommand will meet these requirements?

Answer: D

Explanation:
The AWS SAM CLI sam local start-api subcommand is used to start a local API Gateway instance. This allows you to test your REST API locally before deploying it to the production environment.


NEW QUESTION # 219
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