Tip 2 Cloud

A company hosts a three-tier web application on Amazon EC2 instances in a single Availability Zone.The web application uses a self-managed MySQL database that is hosted on an EC2 instance to store data in an Amazon Elastic Block Store (Amazon EBS) volume.The MySQL database currently uses a 1 TB Provisioned IOPS SSD (io2) EBS volume.The company expects traffic of 1,000 IOPS for both reads and writes at peak traffic.The company wants to minimize any disruptions, stabilize performance, and reduce costs while retaining the capacity for double the IOPS.The company wants to move the database tier to a fully managed solution that is highly available and fault tolerant.Which solution will meet these requirements MOST cost-effectively?Read More →

A company’s developers want a secure way to gain SSH access on the company’s Amazon EC2 instances that run the latest version of Amazon Linux.The developers work remotely and in the corporate office.The company wants to use AWS services as a part of the solution.The EC2 instances are hosted in a VPC private subnet and access the internet through a NAT gateway that is deployed in a public subnet.What should a solutions architect do to meet these requirements MOST cost-effectively?Read More →

A company is deploying a two-tier web application in a VPC.The web tier is using an Amazon EC2 Auto Scaling group with public subnets that span multiple Availability Zones.The database tier consists of an Amazon RDS for MySQL DB instance in separate private subnets.The web tier requires access to the database to retrieve product information.The web application is not working as intended.The web application reports that it cannot connect to the database.The database is confirmed to be up and running.All configurations for the network ACLs, security groups, and route tables are still in their default states.What should a solutions architect recommend to fix the application?Read More →

A company runs a web application on Amazon EC2 instances in an Auto Scaling group.The application uses a database that runs on an Amazon RDS for PostgreSQL DB instance.The application performs slowly when traffic increases.The database experiences a heavy read load during periods of high traffic.Which actions should a solutions architect take to resolve these performance issues? (Choose two.)Read More →

A company stores multiple Amazon Machine Images (AMIs) in an AWS account to launch its Amazon EC2 instances.The AMIs contain critical data and configurations that are necessary for the company’s operations.The company wants to implement a solution that will recover accidentally deleted AMIs quickly and efficiently.Which solution will meet these requirements with the LEAST operational overhead?Read More →

A company has an application that uses an Amazon DynamoDB table for storage.A solutions architect discovers that many requests to the table are not returning the latest data.The company’s users have not reported any other issues with database performance.Latency is in an acceptable range.Which design change should the solutions architect recommend?Read More →

A company is moving its data management application to AWS.The company wants to transition to an event-driven architecture.The architecture needs to be more distributed and to use serverless concepts while performing the different aspects of the workflow.The company also wants to minimize operational overhead.Which solution will meet these requirements?Read More →