A company has an application that is hosted on two Amazon EC2 instances in different Availability Zones.Both instances contain data that is critical for the company’s business.Backups need to be retained for 7 days and need to be updated every 12 hours.Which solution will meet these requirements with the LEAST amount of effort?Read More →
An application stores financial statements in an Amazon S3 bucket.A recent security audit found that the bucket does not comply with company standards.Currently, several IAM policies allow encrypted calls and unencrypted calls to the bucket.The company needs to create a bucket policy that forces all requests to the bucket to use encrypted connections.Which solution will meet this requirement?Read More →
A company uses an external identity provider to allow federation into different AWS accounts.A security engineer for the company needs to identify the federated user that terminated a production Amazon EC2 instance a week ago.What is the FASTEST way for the security engineer to identify the federated user?Read More →
A company is planning on hosting its ecommerce platform on AWS using a multi-tier web application designed for a NoSQL database.The company plans to use the us-west-2 Region as its primary Region.The company wants to ensure that copies of the application and data are available in second Region, us-west-1, for disaster recovery.The company wants to keep the time to fail over as low as possible.Failing back to the primary Region should be possible without administrative interaction after the primary service is restored.Which design should the solutions architect use?Read More →
A SysOps administrator needs to monitor a process that runs on Linux Amazon EC2 instances.If the process stops, the process must restart automatically.The Amazon CloudWatch agent is already installed on all the EC2 instances.Which solution will meet these requirements?Read More →
A company runs applications in AWS accounts that are in an organization in AWS Organizations.The applications use Amazon EC2 instances and Amazon S3.The company wants to detect potentially compromised EC2 instances, suspicious network activity, and unusual API activity in its existing AWS accounts and in any AWS accounts that the company creates in the future.When the company detects one of these events, the company wants to use an existing Amazon Simple Notification Service (Amazon SNS) topic to send a notification to its operational support team for investigation and remediation.Which solution will meet these requirements in accordance with AWS best practices?Read More →
A bike rental company operates an application to track its bikes.The application receives location and condition data from bike sensors.The application also receives rental transaction data from the associated mobile app.The application uses Amazon DynamoDB as its database layer.The company has configured DynamoDB with provisioned capacity set to 20% above the expected peak load of the application.On an average day, DynamoDB used 22 billion read capacity units (RCUs) and 60 billion write capacity units (WCUs).The application is running well.Usage changes smoothly over the course of the day and is generally shaped like a bell curve.The timing and magnitude of peaks vary based on the weather and season, but the general shape is consistent.Which solution will provide the MOST cost optimization of the DynamoDB database layer?Read More →
A solutions architect is designing the architecture of a new application being deployed to the AWS Cloud.The application will run on Amazon EC2 On-DemandInstances and will automatically scale across multiple Availability Zones.The EC2 instances will scale up and down frequently throughout the day.An ApplicationLoad Balancer (ALB) will handle the load distribution.The architecture needs to support distributed session data management.The company is willing to make changes to code if needed.What should the solutions architect do to ensure that the architecture supports distributed session data management?Read More →
A retail company uses a machine learning (ML) model for daily sales forecasting.The model has provided inaccurate results for the past 3 weeks.At the end of each day, an AWS Glue job consolidates the input data that is used for the forecasting with the actual daily sales data and the predictions of the model.The AWS Glue job stores the data in Amazon S3.The company’s ML team determines that the inaccuracies are occurring because of a change in the value distributions of the model features.The ML team must implement a solution that will detect when this type of change occurs in the future.Which solution will meet these requirements with the LEAST amount of operational overhead?Read More →
A company’s application infrastructure was deployed using AWS CloudFormation and is composed of Amazon EC2 instances behind an Application LoadBalancer.The instances run in an EC2 Auto Scaling group across multiple Availability Zones.When releasing a new version of the application, the update deployment must avoid DNS changes and allow rollback.Which solution should a SysOps administrator use to meet the deployment requirements for this new release?Read More →
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