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Amazon DVA-C02 Exam Syllabus Topics:

Topic	Details
Topic 1	Troubleshooting and Optimization:This topic prepares AWS developers to assist in root cause analysis, integrate observability into their code with instrumentation, and optimize applications using AWS services and features. Mastery of these skills ensures developers can maintain and enhance application performance and reliability efficiently.
Topic 2	Development with AWS Services: In this topic, AWS developers gain expertise in writing and managing code for applications hosted on AWS, including leveraging AWS Lambda for serverless architectures. The focus also includes using data stores effectively in application development. The topic sharpens skills in cloud-native application development, aligning with the requirements of scalable, efficient systems.
Topic 3	Security: This topic empowers AWS developers to implement robust authentication and authorization mechanisms for applications and AWS services. It also highlights best practices in applying encryption using AWS tools and securely managing sensitive data within application code. Developers enhance their ability to create secure, compliant applications in the AWS ecosystem.
Topic 4	Deployment: AWS developers learn to prepare application artifacts for deployment, conduct rigorous testing in development environments, and automate deployment testing workflows. This topic also introduces the use of AWS CI CD services for efficient code deployment. The knowledge ensures effective application lifecycle management in production environments.

Amazon DVA-C02 Certification Exam is a valuable credential for individuals who have experience in developing and maintaining applications on the AWS platform. With the right preparation and dedication, candidates can successfully pass the exam and demonstrate their expertise in AWS development to potential employers and clients.

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Achieving the Amazon DVA-C02 Certification demonstrates a developer's proficiency in AWS services and technologies, making them a valuable asset to any organization that uses AWS for their cloud computing needs. AWS Certified Developer - Associate certification also opens up new opportunities for career growth and advancement in the field of cloud computing. With the growing demand for cloud-based solutions, becoming an AWS Certified Developer - Associate is an excellent way for developers to stay competitive and relevant in the industry.

Amazon AWS Certified Developer - Associate Sample Questions (Q186-Q191):

NEW QUESTION # 186
A developer needs to perform geographic load testing of an API. The developer must deploy resources to multiple AWS Regions to support the load testing of the API.
How can the developer meet these requirements without additional application code?

A. Create an AWS Systems Manager document that defines the resources. Use the document to create the resources in the desired Regions.
B. Create and deploy an AWS Lambda function in each desired Region. Configure the Lambda function to create a stack from an AWS CloudFormation template in that Region when the function is invoked.
C. Create an AWS CloudFormation template that defines the load test resources. Use the AWS CLI create-stack-set command to create a stack set in the desired Regions.
D. Create an AWS CloudFormation template that defines the load test resources. Use the AWS CLI deploy command to create a stack from the template in each Region.

Answer: C

Explanation:
Explanation
AWS CloudFormation is a service that allows developers to model and provision AWS resources using templates. A CloudFormation template can define the load test resources, such as EC2 instances, load balancers, and Auto Scaling groups. A CloudFormation stack set is a collection of stacks that can be created and managed from a single template in multiple Regions and accounts. The AWS CLI create-stack-set command can be used to create a stack set from a template and specify the Regions where the stacks should be created. Reference: Working with AWS CloudFormation stack sets

NEW QUESTION # 187
A company is creating a REST service using an Amazon API Gateway with AWS Lambda integration. The service must run different versions for testing purposes.
What would be the BEST way to accomplish this?

A. Deploy the API versions as unique stages with unique endpoints and use stage variables to provide further context.
B. Create an API Gateway Lambda authorizer to route API clients to the correct API version.
C. Use an X-Version header to denote which version is being called and pass that header to the Lambda function(s).
D. Create an API Gateway resource policy to isolate versions and provide context to the Lambda function(s).

Answer: A

NEW QUESTION # 188
A developer is designing a serverless application with two AWS Lambda functions to process photos. One Lambda function stores objects in an Amazon S3 bucket and stores the associated metadata in an Amazon DynamoDB table. The other Lambda function fetches the objects from the S3 bucket by using the metadata from the DynamoDB table. Both Lambda functions use the same Python library to perform complex computations and are approaching the quota for the maximum size of zipped deployment packages.
What should the developer do to reduce the size of the Lambda deployment packages with the LEAST operational overhead?

A. Package each Python library in its own .zip file archive. Deploy each Lambda function with its own copy of the library.
B. Create a Lambda layer with the required Python library. Use the Lambda layer in both Lambda functions.
C. Download the Python library to an S3 bucket. Program the Lambda functions to reference the object URLs.
D. Combine the two Lambda functions into one Lambda function. Deploy the Lambda function as a single .
zip file archive.

Answer: B

Explanation:
AWS Lambda is a service that lets developers run code without provisioning or managing servers. Lambda layers are a distribution mechanism for libraries, custom runtimes, and other dependencies. The developer can create a Lambda layer with the required Python library and use the layer in both Lambda functions. This will reduce the size of the Lambda deployment packages and avoid reaching the quota for the maximum size of zipped deployment packages. The developer can also benefit from using layers to manage dependencies separately from function code.

NEW QUESTION # 189
A company stores its data in data tables in a series of Amazon S3 buckets. The company received an alert that customer credit card information might have been exposed in a data table on one of the company's public applications. A developer needs to identify all potential exposures within the application environment.
Which solution will meet these requirements?

A. Use Amazon Made to run a job on the S3 buckets that contain the affected data. Filter the findings by using the SensitiveData:S30bject/Financial finding type.
B. Use Amazon Made to run a job on the S3 buckets that contain the affected data. Filter the findings by using the SensitiveData:S30bject/Personal finding type.
C. Use Amazon Athena to run a job on the S3 buckets that contain the affected data. Filter the findings by using the SensitiveData:S30bject/Financial finding type.
D. Use Amazon Athena to run a job on the S3 buckets that contain the affected data. Filter the findings by using the SensitiveData:S30bject/Personal finding type.

Answer: A

NEW QUESTION # 190
A developer at a company writes an AWS CloudFormation template. The template refers to subnets that were created by a separate AWS CloudFormation template that the company's network team wrote. When the developer attempts to launch the stack for the first time, the launch fails.
Which template coding mistakes could have caused this failure? (Choose two.)

A. The network team's template does not export the subnets in the Mappings section.
B. The network team's template does not export the subnets in the Outputs section.
C. The developer's template does not use the Ref intrinsic function to refer to the subnets.
D. The developer's template does not use the ImportValue intrinsic function to refer to the subnets.
E. The Mappings section of the developer's template does not refer to the subnets.

Answer: B,D

NEW QUESTION # 191
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