An application uses an Amazon RDS MySQL DB instance.The RDS database is becoming low on disk space.A solutions architect wants to increase the disk space without downtime.Which solution meets these requirements with the LEAST amount of effort?Read More →
A Data Scientist is building a model to predict customer churn using a dataset of 100 continuous numerical features.The Marketing team has not provided any insight about which features are relevant for churn prediction.The Marketing team wants to interpret the model and see the direct impact of relevant features on the model outcome.While training a logistic regression model, the Data Scientist observes that there is a wide gap between the training and validation set accuracy.Which methods can the Data Scientist use to improve the model performance and satisfy the Marketing team’s needs? (Choose two.)Read More →
Amazon RDS provides Amazon CloudWatch metrics for your DB Instance deployments at no ad-ditional charge.You can use the AWS Management Console to view key operational metrics for your DB Instance deployments, including ____.Read More →
A company has a business-critical Amazon RDS for MySQL DB instance that resides in a single Availability Zone.Which solution will improve the availability of the DB instance?Read More →
A developer is building a web application that uses Amazon API Gateway to expose an AWS Lambda function to process requests from clients.During testing, the developer notices that the API Gateway times out even though the Lambda function finishes under the set time limit.Which of the following API Gateway metrics in Amazon CloudWatch can help the developer troubleshoot the issue? (Choose two.)Read More →
A company wants to use Amazon WorkSpaces in combination with thin client devices to replace aging desktops.Employees use the desktops to access applications that work with Clinical trial data.Corporate security policy states that access to the applications must be restricted to only company branch office locations.The company is considering adding an additional branch office in the next 6 months.Which solution meets these requirements with the MOST operational efficiency?Read More →
A company uses Microsoft Active Directory for access management for on-premises resources, and wants to use the same mechanism for accessing its AWS accounts.Additionally, the Development team plans to launch a public-facing application for which they need a separate authentication solution.Which combination of the following would satisfy these requirements? (Choose two.)Read More →
A solutions architect needs to deploy an application on a fleet of Amazon EC2 Instances.The EC2 instances run in private subnets in an Auto Scaling group.The application is expected to generate logs at a rate of 100 MB each second on each of the EC2 instances.The logs must be stored in an Amazon S3 bucket so that an Amazon EMR cluster can consume them for further processing.The logs must be quickly accessible for the first 90 days and should be retrievable within 48 hours thereafter.What is the MOST cost-effective solution that meets these requirements?Read More →
A company uses an AWS CloudFormation template to provision an Amazon EC2 instance and an Amazon RDS DB instance.A SysOps administrator must update the template to ensure that the DB instance is created before the EC2 instance is launched.What should the SysOps administrator do to meet this requirement?Read More →
A development team manages website deployments using AWS CodeDeploy blue/green deployments.The application is running on Amazon EC2 instances behind an Application Load Balancer in an Auto Scaling group.When deploying a new revision, the team notices the deployment eventually fails, but it takes a long time to fail.After further inspection, the team discovers the AllowTraffic lifecycle event ran for an hour and eventually failed without providing any other information.The team wants to ensure failure notices are delivered more quickly while maintaining application availability even upon failure.Which combination of actions should be taken to meet these requirements? (Choose two.)Read More →
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