Tip 2 Cloud

A company wants to use an Amazon RDS for PostgreSQL DB cluster to simplify time-consuming database administrative tasks for production database workloads.The company wants to ensure that its database is highly available and will provide automatic failover support in most scenarios in less than 40 seconds.The company wants to offload reads off of the primary instance and keep costs as low as possible.Which solution will meet these requirements?Read More →

A company uses Amazon EC2 instances and AWS Lambda functions to run its application.The company has VPCs with public subnets and private subnets in its AWS account.The EC2 instances run in a private subnet in one of the VPCs.The Lambda functions need direct network access to the EC2 instances for the application to work.The application will run for at least 1 year.The company expects the number of Lambda functions that the application uses to increase during that time.The company wants to maximize its savings on all application resources and to keep network latency between the services low.Which solution will meet these requirements?Read More →

A rapidly growing global ecommerce company is hosting its web application on AWS. The web application includes static content and dynamic content. The website stores online transaction processing (OLTP) data in an Amazon RDS database The website’s users are experiencing slow page loads.Which combination of actions should a solutions architect take to resolve this issue? (Choose two.)Read More →

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 →