A company wants to move its IOS application development and build activities to AWS.Which AWS service or resource should the company use for these activities?Read More →
A company is running several business applications in three separate VPCs within the us-east-1 Region.The applications must be able to communicate betweenVPCs.The applications also must be able to consistently send hundreds of gigabytes of data each day to a latency-sensitive application that runs in a single on- premises data center.A solutions architect needs to design a network connectivity solution that maximizes cost-effectiveness.Which solution meets these requirements?Read More →
For which use case are Amazon EC2 On-Demand Instances MOST cost-effective?Read More →
A developer uses AWS CloudFormation to deploy an Amazon API Gateway API and an AWS Step Functions state machine.The state machine must reference the API Gateway API after the CloudFormation template is deployed.The developer needs a solution that uses the state machine to reference the API Gateway endpoint.Which solution will meet these requirements MOST cost-effectively?Read More →
A company has an application that sells tickets online and experiences bursts of demand every 7 days.The application has a stateless presentation layer running on Amazon EC2, an Oracle database to store unstructured data catalog information, and a backend API layer.The front-end layer uses an Elastic Load Balancer to distribute the load across nine On-Demand instances over three Availability Zones (AZs).The Oracle database is running on a single EC2 instance.The company is experiencing performance issues when running more than two concurrent campaigns.A solutions architect must design a solution that meets the following requirements:✑ Address scalability issues.✑ Increase the level of concurrency.✑ Eliminate licensing costs.✑ Improve reliability.Which set of steps should the solutions architect take?Read More →
A company runs a highly available web application on Amazon EC2 instances behind an Application Load Balancer.The company uses Amazon CloudWatch metrics.As the traffic to the web application increases, some EC2 instances become overloaded with many outstanding requests.The CloudWatch metrics show that the number of requests processed and the time to receive the responses from some EC2 instances are both higher compared to other EC2 instances.The company does not want new requests to be forwarded to the EC2 instances that are already overloaded.Which solution will meet these requirements?Read More →
A company runs a web application on AWS.The web application delivers static content from an Amazon S3 bucket that is behind an Amazon CloudFront distribution.The application serves dynamic content by using an Application Load Balancer (ALB) that distributes requests to a fleet of Amazon EC2 instances in Auto Scaling groups.The application uses a domain name setup in Amazon Route 53.Some users reported occasional issues when the users attempted to access the website during peak hours.An operations team found that the ALB sometimes returned HTTP 503 Service Unavailable errors.The company wants to display a custom error message page when these errors occur.The page should be displayed immediately for this error code.Which solution will meet these requirements with the LEAST operational overhead?Read More →
A company needs to store code in a version control system.The company also needs to continually deploy updated code through a series of automated steps (build, test, package, and deploy).Which combination of AWS services will meet these requirements? (Choose two.)Read More →
A company has several web servers that need to frequently access a common Amazon RDS MySQL Multi-AZ DB instance.The company wants a secure method for the web servers to connect to the database while meeting a security requirement to rotate user credentials frequently.Which solution meets these requirements?Read More →
A company wants to migrate its on-premises SQL Server database to the AWS Cloud.The company wants AWS to handle the day-to-day administration of the database.Which AWS service will meet the company’s requirements?Read More →
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