A developer is exposing an API by using Amazon API Gateway and AWS Lambda as the backend for an application.The developer wants to add validation rules for a POST method to ensure that the data from the frontend web form is valid.The validation rules must include mandatory fields, data type, length, and regular expressions.Which solution will meet these requirements?Read More →
Which of the following is a software development framework that a company can use to define cloud resources as code and provision the resources through AWS CloudFormation?Read More →
A data scientist at a financial services company used Amazon SageMaker to train and deploy a model that predicts loan defaults.The model analyzes new loan applications and predicts the risk of loan default.To train the model, the data scientist manually extracted loan data from a database.The data scientist performed the model training and deployment steps in a Jupyter notebook that is hosted on SageMaker Studio notebooks.The model’s prediction accuracy is decreasing over time.Which combination of steps is the MOST operationally efficient way for the data scientist to maintain the model’s accuracy? (Choose two.)Read More →
A company has been running a web application with an Oracle relational database in an on-premises data center for the past 15 years.The company must migrate the database to AWS.The company needs to reduce operational overhead without having to modify the application’s code.Which solution meets these requirements?Read More →
A company with branch offices in Portland, New York, and Singapore has a three-tier web application that leverages a shared database.The database runs onAmazon RDS for MySQL and is hosted in the us-west-2 Region.The application has a distributed front end deployed in the us-west-2, ap-southheast-1, and us- east-2 Regions.This front end is used as a dashboard for Sales Managers in each branch office to see current sales statistics.There are complaints that the dashboard performs more slowly in the Singapore location than it does in Portland or New York.A solution is needed to provide consistent performance for all users in each location.Which set of actions will meet these requirements?Read More →
Where can users find examples of AWS Cloud solution designs?Read More →
An ecommerce application is running behind an Application Load Balancer.A developer observes some unexpected load on the application during non-peak hours.The developer wants to analyze patterns for the client IP addresses that use the application.Which HTTP header should the developer use for this analysis?Read More →
A company has microservices running in AWS Lambda that read data from Amazon DynamoDB.The Lambda code is manually deployed by developers after successful testing.The company now needs the tests and deployments be automated and run in the cloud.Additionally, traffic to the new versions of each microservice should be incrementally shifted over time after deployment.What solution meets all the requirements, ensuring the MOST developer velocity?Read More →
A SysOps administrator must ensure that all of a company’s current and future Amazon S3 buckets have logging enabled.If an S3 bucket does not have logging enabled, an automated process must enable logging for the S3 bucket.Which solution will meet these requirements?Read More →
A company has millions of objects in an Amazon S3 bucket.The objects are in the S3 Standard storage class.All the S3 objects are accessed frequently.The number of users and applications that access the objects is increasing rapidly.The objects are encrypted with server-side encryption with AWS KMS keys (SSE-KMS).A solutions architect reviews the company’s monthly AWS invoice and notices that AWS KMS costs are increasing because of the high number of requests from Amazon S3.The solutions architect needs to optimize costs with minimal changes to the application.Which solution will meet these requirements with the LEAST operational overhead?Read More →
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