A company needs to design a hybrid network architecture.The company’s workloads are currently stored in the AWS Cloud and in on-premises data centers.The workloads require single-digit latencies to communicate.The company uses an AWS Transit Gateway transit gateway to connect multiple VPCs.Which combination of steps will meet these requirements MOST cost-effectively? (Choose two.)Read More →
A company has a solution that analyzes weather data from thousands of weather stations.The weather stations send the data over an Amazon API Gateway REST API that has an AWS Lambda function integration.The Lambda function calls a third-party service for data pre-processing.The third-party service gets overloaded and fails the pre-processing, causing a loss of data.A solutions architect must improve the resiliency of the solution.The solutions architect must ensure that no data is lost and that data can be processed later if failures occur.What should the solutions architect do to meet these requirements?Read More →
A developer is designing an Amazon DynamoDB table for an application.The application will store user information that includes a unique identifier and an email address for each user.The application must be able to query the table by using either the unique identifier or the email address.How should the developer design the DynamoDB table to meet these requirements?Read More →
Which AWS service should a company use to create a serverless workflow?Read More →
A web service runs on Amazon EC2 instances behind an Elastic Load Balancing (ELB) load balancer.External clients must whitelist specific public IP addresses in their firewalls to access the service.What load balancer or ELB feature should be used for this application?Read More →
A data scientist has been running an Amazon SageMaker notebook instance for a few weeks.During this time, a new version of Jupyter Notebook was released along with additional software updates.The security team mandates that all running SageMaker notebook instances use the latest security and software updates provided by SageMaker.How can the data scientist meet this requirements?Read More →
A company is using a tape backup solution to store its key application data offsite.The daily data volume is around 50 TB.The company needs to retain the backups for 7 years for regulatory purposes.The backups are rarely accessed, and a week’s notice is typically given if a backup needs to be restored.The company is now considering a cloud-based option to reduce the storage costs and operational burden of managing tapes.The company also wants to make sure that the transition from tape backups to the cloud minimizes disruptions.Which storage solution is MOST cost-effective?Read More →
A company is using an Amazon Aurora PostgreSQL database for a project with a government agency.All database communications must be encrypted in transit.All non-SSL/TLS connection requests must be rejected.What should a database specialist do to meet these requirements?Read More →
An application uses Lambda functions to extract metadata from files uploaded to an S3 bucket; the metadata is stored in Amazon DynamoDB.The application starts behaving unexpectedly, and the developer wants to examine the logs of the Lambda function code for errors.Based on this system configuration, where would the developer find the logs?Read More →
An application runs on Amazon EC2 instances behind an Application Load Balancer (ALB).A DevOps engineer is using AWS CodeDeploy to release a new version.The deployment fails during the AllowTraffic lifecycle event, but a cause for the failure is not indicated in the deployment logs.What would cause this?Read More →
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