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  The Amazon DVA-C01 (AWS Certified Developer Associate) Exam is a certification exam offered by Amazon Web Services (AWS) for developers who are interested in showcasing their expertise in designing and deploying cloud-based applications using AWS services. The exam is designed to test the candidate's knowledge and skills in a variety of areas such as Amazon Simple Storage Service (S3), Amazon DynamoDB, AWS Lambda, Amazon Simple Notification Service (SNS), and more. Passing this exam is a great way for developers to demonstrate their proficiency in using AWS services to develop scalable, efficient, and secure cloud-based applications.

  To prepare for the DVA-C01 exam, candidates should have a solid understanding of AWS services and concepts, as well as programming languages and development methodologies. AWS offers a range of courses, training materials, and practice exams to help candidates prepare for the exam, and there are also numerous third-party resources available online. By passing the DVA-C01 exam, individuals can demonstrate their expertise in AWS development and open up new career opportunities in cloud computing.

  Amazon AWS Certified Developer Associate Exam Sample Questions (Q463-Q468):

  NEW QUESTION # 463
  A legacy service has an XML-based SOAP interface. The Developer wants to expose the functionality of the service to external clients with the Amazon API Gateway. Which technique will accomplish this?

  • A. Create a RESTful API with the API Gateway; transform the incoming JSON into a valid XML message for the SOAP interface using mapping templates.
  • B. Create a RESTful API with the API Gateway; pass the incoming XML to the SOAP interface through an Application Load Balancer.
  • C. Create a RESTful API with the API Gateway; pass the incoming JSON to the SOAP interface through an Application Load Balancer.
  • D. Create a RESTful API with the API Gateway; transform the incoming XML into a valid message for the

  Answer: A

  Explanation:
  SOAP interface using mapping templates.
  Explanation:
  https://blog.codecentric.de/en/2016/12/serverless-soap-legacy-api-integration-java-aws-lambda-aws-api-gateway/

  
  

  NEW QUESTION # 464
  A company is adding items to an Amazon DynamoDB table from an AWS Lambda function that is written in Python A developer needs to implement a solution that inserts records in the DynamoDB table and performs automatic retry when the insert fails Which solution meets these requirements with MINIMUM code changes?

  • A. Call the Putltem operation from Python by using the DynamoDB HTTP API
  • B. Configure the Python code to run the AWS CLl through shell to call the Putltem operation
  • C. Queue the items in AWS Glue: which will put them into the DynamoDB table
  • D. Use the AWS software development kit (SDK) for Python (boto3) to call the Putltem operation

  Answer: D

  
  

  NEW QUESTION # 465
  Company D is running their corporate website on Amazon S3 accessed from http//www.companyd.com. Their marketing team has published new web fonts to a separate S3 bucket accessed by the S3 endpoint
  https://s3-us-west-1.amazonaws.com/cdfonts. While testing the new web fonts, Company D recognized the web fonts are being blocked by the browser.
  What should Company D do to prevent the web fonts from being blocked by the browser?

  • A. Add the Content-MD5 header to the request for webfonts in the cdfonts bucket from the website
  • B. Configure the cdfonts bucket to allow cross-origin requests by creating a CORS configuration
  • C. Create a policy on the cdfonts bucket to enable access to everyone
  • D. Enable versioning on the cdfonts bucket for each web font

  Answer: B

  Explanation:
  Explanation
  https://docs.aws.amazon.com/AmazonS3/latest/dev/cors.html

  
  

  NEW QUESTION # 466
  A developer has written an Amazon Kinesis Data Streams application. As usage grows and traffic increases over time, the application is regularly receiving ProvisionedThroughputExceededException error messages Which steps should the developer take to resolve the error? (Select TWO.)

  • A. Implement exponential backoff on the GetRecords call and the PutRecords call.
  • B. Specify a shard iterator using the Shardlterator parameter.
  • C. Increase the delay between the GetRecords call and the PutRecords call.
  • D. Use Auto Scaling to scale the stream for better performance
  • E. Increase the number of shards in the data stream

  Answer: C,E

  
  

  NEW QUESTION # 467
  A nightly batch job loads 1 million new records into a DynamoDB table. The records are only needed for one hour, and the table needs to be empty by the next night's batch job.
  Which is the MOST efficient and cost-effective method to provide an empty table?

  • A. With a recursive function that scans and calls out DeleteItem.
  • B. Use BatchWriteItem to empty all of the rows.
  • C. Use DeleteItem using a ConditionExpression.
  • D. Create and then delete the table after the task has completed.

  Answer: D

  Explanation:
  Explanation
  "Deleting an entire table is significantly more efficient than removing items one-by-one, which essentially doubles the write throughput as you do as many delete operations as put operations"

  
  

  NEW QUESTION # 468
  ......

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