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Scenarios cover securely storing and rotating MySQL credentials, selecting WebSocket or AppSync architectures for near-real-time feedback, integrating Amazon Cognito with post-authentication analytics logging, restricting API Gateway REST endpoints to IAM users from another account, and granting correct Lambda execution role permissions for S3 and CloudWatch Logs. Additional items address snapshot-based replication with customer-managed KMS encryption in different Regions.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/aws-certified-developer-associate-sample-questions/317380/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/aws-certified-developer-associate-sample-questions/317380.png","ImageObject",300,407,{"name":92,"@type":93},"Lucas Vance","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-09-20",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",11,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"Which service can securely store and automatically rotate database credentials for an EC2-to-RDS migration?","Question",{"text":113,"@type":114},"Use AWS Secrets Manager with automatic credential rotation configured for the database. This meets secure storage and rotation requirements without embedding secrets in images or instance environment variables.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What architectures support posting comments and receiving near-real-time feedback?",{"text":118,"@type":114},"Use API Gateway WebSocket APIs with a Lambda backend and DynamoDB, or use AWS AppSync with corresponding APIs and DynamoDB as the data store. These options enable near-real-time user updates.",{"name":120,"@type":111,"acceptedAnswer":121},"How should sign-up/sign-in be implemented when a custom analytics API must log sign-in events?",{"text":122,"@type":114},"Use Amazon Cognito for sign-up and sign-in, then trigger the analytics API call after authentication using an API Gateway method or by invoking a Lambda function tied to the post-authentication event. Select the combination that provides both authentication and the logging call.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},317380,1790282182,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":29,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145,"preview_page_count":4},549768064622,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","1) A company is migrating a legacy application to Amazon EC2 . The application uses a user name and password stored in the source code to connect to a MySQL database. The database will be migrated to an Amazon RDS for MySQL DB instance. As part of the migration, the company wants to implement a secure way to store and automatically rotate the database credentials.  \nWhich approach meets these requirements?  \nA) Store the database credentials in environment variables in an Amazon Machine Image (AMI) . Rotate the credentials by replacing the AMI.  \nB) Store the database credentials in AWS Systems Manager Parameter Store. Configure Parameter Store to automatically rotate the credentials.  \nC) Store the database credentials in environment variables on the EC2 instances. Rotate the credentials by relaunching the EC2 instances.  \nD) Store the database credentials in AWS Secrets Manager. Configure Secrets Manager to automatically rotate the credentials.  \n2) A developer is designing a web application that allows the users to post comments and receive nearreal-time feedback.  \nWhich architectures meet these requirements? (Select TWO.)  \nA) Create an AWS AppSync schema and corresponding APIs. Use an Amazon DynamoDB table as the data store.  \nB) Create a WebSocket API in Amazon API Gateway. Use an AWS Lambda function as the backend and an Amazon DynamoDB table as the data store.  \nC) Create an AWS Elastic Beanstalk application backed by an Amazon RDS database. Configure the application to allow long-lived TCP/IP sockets.  \nD) Create a GraphQL endpoint in Amazon API Gateway. Use an Amazon DynamoDB table as the data store.  \nE) Enable WebSocket on Amazon CloudFront. Use an AWS Lambda function as the origin and an Amazon Aurora DB cluster as the data store.  \n3) A developer is adding sign-up and sign-in functionality to an application. The application is required to make an API call to a custom analytics solution to log user sign-in events.  \nWhich combination of actions should the developer take to satisfy these requirements? (Select TWO.)  \nA) Use Amazon Cognito to provide the sign-up and sign-in functionality.  \nB) Use AWS IAM to provide the sign-up and sign-in functionality.  \nC) Configure an AWS Config rule to make the API call triggered by the post-authentication event.  \nD) Invoke an Amazon API Gateway method to make the API call triggered by the post-authentication event.  \nE) Execute an AWS Lambda function to make the API call triggered by the post-authentication event.  \n4) A company is using Amazon API Gateway for its REST APIs in an AWS account. The security team wants to allow only IAM users from another AWS account to access the APIs.  \nWhich combination of actions should the security team take to satisfy these requirements? (Select TWO.)  \nA) Create an IAM permission policy and attach it to each IAM user. Set the APIs method authorization type to AWS_IAM. Use Signature Version 4 to sign the API requests.  \nB) Create an Amazon Cognito user pool and add each IAM user to the pool. Set the method authorization type for the APIs to COGNITO_USER_POOLS. Authenticate using the IAM credentials in Amazon Cognito and add the ID token to the request headers.  \nC) Create an Amazon Cognito identity pool and add each IAM user to the pool. Set the method authorization type for the APIs to COGNITO_USER_POOLS. Authenticate using the IAM credentials in Amazon Cognito and add the access token to the request headers.  \nD) Create a resource policy for the APIs that allows access for each IAM user only.  \nE) Create an Amazon Cognito authorizer for the APIs that allows access for each IAM user only. Set the method authorization type for the APIs to COGNITO_USER_POOLS.  \n5) A developer is building an application that transforms text files to .pdf files. The text files are written toa source Amazon S3 bucket by a separate application. The developer wants to read the files as they arrive in Amazon S3 and convert them to .pdf files using AWS Lambda. Th","cbCaiu3we6GfmmgY","https://ap.wps.com/l/cbCaiu3we6GfmmgY","pdf",404601,"English","# Sample Questions\n## Credentials and secrets rotation\n## Real-time comment feedback architectures\n## Authentication and post-auth analytics logging\n## API Gateway cross-account IAM access control\n## Lambda permissions for S3-triggered PDF conversion\n## Cross-Region Aurora encryption replication","[{\"question\":\"Which service can securely store and automatically rotate database credentials for an EC2-to-RDS migration?\",\"answer\":\"Use AWS Secrets Manager with automatic credential rotation configured for the database. This meets secure storage and rotation requirements without embedding secrets in images or instance environment variables.\"},{\"question\":\"What architectures support posting comments and receiving near-real-time feedback?\",\"answer\":\"Use API Gateway WebSocket APIs with a Lambda backend and DynamoDB, or use AWS AppSync with corresponding APIs and DynamoDB as the data store. These options enable near-real-time user updates.\"},{\"question\":\"How should sign-up/sign-in be implemented when a custom analytics API must log sign-in events?\",\"answer\":\"Use Amazon Cognito for sign-up and sign-in, then trigger the analytics API call after authentication using an API Gateway method or by invoking a Lambda function tied to the post-authentication event. Select the combination that provides both authentication and the logging call.\"}]","AWS-Certified-Developer-Associate - Sample Questions | PDF",1789932433,15]