A company designs a mobile app to run on AWS.The app will run on Amazon EC2 instances behind an Application Load Balancer.The instances will run in an Amazon EC2 Auto Scaling group.The app must securely access data that the company stores in Amazon DynamoDB.Which solution is MOST secure?Read More →
If a company wants to build an interactive chatbot to make a call center more efficient, which AWS service should be used?Read More →
You have identified network throughput as a bottleneck on your m1.small EC2 instance when uploading data Into Amazon S3 In the same region.How do you remedy this situation?Read More →
A company is using Amazon SageMaker to build a machine learning (ML) model to predict customer churn based on customer call transcripts.Audio files from customer calls are located in an on-premises VoIP system that has petabytes of recorded calls.The on-premises infrastructure has high-velocity networking and connects to the company’s AWS infrastructure through a VPN connection over a 100 Mbps connection.The company has an algorithm for transcribing customer calls that requires GPUs for inference.The company wants to store these transcriptions in an Amazon S3 bucket in the AWS Cloud for model development.Which solution should an ML specialist use to deliver the transcriptions to the S3 bucket as quickly as possible?Read More →
A company recently started using Amazon Aurora as the data store for its global ecommerce application.When large reports are run, developers report that the ecommerce application is performing poorly.After reviewing metrics in Amazon CloudWatch, a solutions architect finds that the ReadIOPS and CPUUtilization metrics are spiking when monthly reports run.What is the MOST cost-effective solution?Read More →
A Database Specialist must create a read replica to isolate read-only queries for an Amazon RDS for MySQL DB instance.Immediately after creating the read replica, users that query it report slow response times.What could be causing these slow response times?Read More →
A development team is building a full-stack serverless web application.The serverless application will consist of a backend REST API and a front end that is built with a single-page application (SPA) framework.The team wants to use a Git-based workflow to develop and deploy the application.The team has created an AWS CodeCommit repository to store the application code.The team wants to use multiple development branches to test new features.In addition, the team wants to ensure that code changes on the development branches are deployed to the different development environments.Code changes to the main branches must be released automatically to production.The development deployments must be available as a subdomain of the main application website, which is hosted in an Amazon Route 53 public hosted zone.What should a DevOps engineer do to meet these requirements?Read More →
An Amazon RDS for PostgreSQL DB cluster has automated backups turned on with a 7-day retention period.A SysOps administrator needs to create a new RDS DB cluster by using data that is no more than 24 hours old from the original DB cluster.Which solutions will meet these requirements with the LEAST operational overhead? (Choose two.)Read More →
A retail company is running an application that stores invoice files in an Amazon S3 bucket and metadata about the files in an Amazon DynamoDB table.The application software runs in both us-east-1 and eu-west-1.The S3 bucket and DynamoDB table are in us-east-1.The company wants to protect itself from data corruption and loss of connectivity to either Region.Which option meets these requirements?Read More →
A company uses user data scripts that contain sensitive information to bootstrap Amazon EC2 instances.A Security Engineer discovers that this sensitive information is viewable by people who should not have access to it.What is the MOST secure way to protect the sensitive information used to bootstrap the instances?Read More →
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