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A company manages its own Amazon EC2 instances that run MySQL databases.The company is manually managing replication and scaling as demand increases or decreases.The company needs a new solution that simplifies the process of adding or removing compute capacity to or from its database tier as needed.The solution also must offer improved performance, scaling, and durability with minimal effort from operations.Which solution meets these requirements?Read More →

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A company has an application that processes customer orders.The company hosts the application on an Amazon EC2 instance that saves the orders to anAmazon Aurora database.Occasionally when traffic is high, the workload does not process orders fast enough.What should a solutions architect do to write the orders reliably to the database as quickly as possible?Read More →

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A company deploys workloads in multiple AWS accounts.Each account has a VPC with VPC flow logs published in text log format to a centralized Amazon S3 bucket.Each log file is compressed with gzip compression.The company must retain the log files indefinitely.A security engineer occasionally analyzes the logs by using Amazon Athena to query the VPC flow logs.The query performance is degrading over time as the number of ingested logs is growing.A solutions architect must improve the performance of the log analysis and reduce the storage space that the VPC flow logs use.Which solution will meet these requirements with the LARGEST performance improvement?Read More →

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A company is using an Application Load Balancer (ALB) to present its application to the internet.The company finds abnormal traffic access patterns across the application.A solutions architect needs to improve visibility into the infrastructure to help the company understand these abnormalities better.What is the MOST operationally efficient solution that meets these requirements?Read More →

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A company’s solutions architect is managing a learning platform that supports more than 1 million students.The company’s business reporting team is experiencing slow performance while extracting large datasets from the database.The learning application is based on PHP and runs on Amazon EC2 instances that are in an Amazon EC2 Auto Scaling group behind an Application Load Balancer (ALB).Application data is stored in an Amazon S3 bucket and in an Amazon RDS for MySOL database.The ALB is the origin of an Amazon CloudFront distribution.The solutions architect observes that slow read operations for SELECT queries are affecting the RDS for MySOL DB instance’s CPU utilization.The solutions architect must find a scalable solution to improve the slow website performance with near-zero downtime.The solution also must provide automatic failover with no data loss.Which solution will meet these requirements?Read More →