A company must migrate 20 TB of data from a data center to the AWS Cloud within 30 days.The company’s network bandwidth is limited to 15 Mbps and cannot exceed 70% utilization.What should a solutions architect do to meet these requirements?Read More →
A company has automated the nightly retraining of its machine learning models by using AWS Step Functions.The workflow consists of multiple steps that use AWS Lambda.Each step can fail for various reasons, and any failure causes a failure of the overall workflow.A review reveals that the retraining has failed multiple nights in a row without the company noticing the failure.A solutions architect needs to improve the workflow so that notifications are sent for all types of failures in the retraining process.Which combination of steps should the solutions architect take to meet these requirements? (Choose three.)Read More →
A development team uses AWS Elastic Beanstalk for application deployment.The development team has configured the application version lifecycle policy to limit the number of application versions to 25.However, even with the application version lifecycle policy, the source bundle is deleted from the Amazon S3 source bucket.What should the development team do in the Elastic Beanstalk application version lifecycle settings to retain the source code in the S3 bucket?Read More →
A company needs to analyze its AWS Cloud environment to determine whether the company is following security best practices.The company wants recommendations about how to close security gaps.Which AWS service should the company use to obtain these recommendations?Read More →
A Machine Learning Specialist must build out a process to query a dataset on Amazon S3 using Amazon Athena.The dataset contains more than 800,000 records stored as plaintext CSV files.Each record contains 200 columns and is approximately 1.5 MB in size.Most queries will span 5 to 10 columns only.How should the Machine Learning Specialist transform the dataset to minimize query runtime?Read More →
An application running on an Amazon EC2 instance in VPC-A needs to access files in another EC2 instance in VPC-B.Both are in separate AWS accounts.The network administrator needs to design a solution to configure secure access to EC2 instance in VPC-B from VPC-A.The connectivity should not have a single point of failure or bandwidth concerns.Which solution will meet these requirements?Read More →
A software-as-a-service (SaaS) company is using an Amazon Aurora Serverless DB cluster for its production MySQL database.The DB cluster has general logs and slow query logs enabled.A database engineer must use the most operationally efficient solution with minimal resource utilization to retain the logs and facilitate interactive search and analysis.Which solution meets these requirements?Read More →
A company needs Amazon EC2 instances for a workload that can tolerate interruptions.Which EC2 instance purchasing option meets this requirement with the LARGEST discount compared to On-Demand prices?Read More →
A developer is building a microservices-based application by using Python on AWS and several AWS services.The developer must use AWS X-Ray.The developer views the service map by using the console to view the service dependencies.During testing, the developer notices that some services are missing from the service map.What can the developer do to ensure that all services appear in the X-Ray service map?Read More →
A company is testing a web application that runs on Amazon EC2 instances behind an Application Load Balancer.The instances run in an Auto Scaling group across multiple Availability Zones.The company uses a blue/green deployment process with immutable instances when deploying new software.During testing, users are being automatically logged out of the application at random times.Testers also report that, when a new version of the application is deployed, all users are logged out.The development team needs a solution to ensure users remain logged in across scaling events and application deployments.What is the MOST operationally efficient way to ensure users remain logged in?Read More →
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