Solutions Architect Associate (Page 159)

A company needs a backup strategy for its three-tier stateless web application.The web application runs on Amazon EC2 instances in an Auto Scaling group with a dynamic scaling policy that is configured to respond to scaling events.The database tier runs on Amazon RDS for PostgreSQL.The web application does not require temporary local storage on the EC2 instances.The company’s recovery point objective (RPO) is 2 hours.The backup strategy must maximize scalability and optimize resource utilization for this environment.Which solution will meet these requirements?Read More →

A company is building a game system that needs to send unique events to separate leaderboard, matchmaking, and authentication services concurrently.The company needs an AWS event-driven system that guarantees the order of the events.Which solution will meet these requirements?Read More →

A company uses a payment processing system that requires messages for a particular payment ID to be received in the same order that they were sent.Otherwise, the payments might be processed incorrectly.Which actions should a solutions architect take to meet this requirement? (Choose two.)Read More →

A company is expanding a secure on-premises network to the AWS Cloud by using an AWS Direct Connect connection.The on-premises network has no direct internet access.An application that runs on the on-premises network needs to use an Amazon S3 bucket.Which solution will meet these requirements MOST cost-effectively?Read More →

A news company that has reporters all over the world is hosting its broadcast system on AWS.The reporters send live broadcasts to the broadcast system.The reporters use software on their phones to send live streams through the Real Time Messaging Protocol (RTMP).A solutions architect must design a solution that gives the reporters the ability to send the highest quality streams.The solution must provide accelerated TCP connections back to the broadcast system.What should the solutions architect use to meet these requirements?Read More →

A company wants to use an AWS CloudFormation stack for its application in a test environment.The company stores the CloudFormation template in an Amazon S3 bucket that blocks public access.The company wants to grant CloudFormation access to the template in the S3 bucket based on specific user requests to create the test environment.The solution must follow security best practices.Which solution will meet these requirements?Read More →

An Amazon EC2 instance is located in a private subnet in a new VPC.This subnet does not have outbound internet access, but the EC2 instance needs the ability to download monthly security updates from an outside vendor.What should a solutions architect do to meet these requirements?Read More →

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 →