SAA-C02 (Page 45)

A company is building its web application using containers on AWS.The company requires three instances of the web application to run at all times.The application must be able to scale to meet increases in demand.Management is extremely sensitive to cost but agrees that the application should be highly available.What should a solutions architect recommend?Read More →

A company is Re-architecting a strongly coupled application to be loosely coupled.Previously the application used a request/response pattern to communicate between tiers.The company plans to use Amazon Simple Queue Service (Amazon SQS) to achieve decoupling requirements.The initial design contains one queue for requests and one for responses.However, this approach is not processing all the messages as the application scales.What should a solutions architect do to resolve this issue?Read More →

A solutions architect is redesigning a monolithic application to be a loosely coupled application composed of two microservices: Microservice A and MicroserviceB.Microservice A places messages in a main Amazon Simple Queue Service (Amazon SQS) queue for Microservice B to consume.When Microservice B fails to process a message after four retries, the message needs to be removed from the queue and stored for further investigation.What should the solutions architect do to meet these requirements?Read More →

A company has NFS servers in an on-premises data center that need to periodically back up small amounts of data to Amazon S3.Which solution meets these requirements and is MOST cost-effective?Read More →

A company runs its production workload on an Amazon Aurora MySQL DB cluster that includes six Aurora Replicas.The company wants near-real-lime reporting queries from one of its departments to be automatically distributed across three of the Aurora Replicas.Those three replicas have a different compute and memory specification from the rest of the DB cluster.Which solution meets these requirements?Read More →

A company is using Amazon DynamoDB with provisioned throughput for the database tier of its ecommerce website.During flash sales, customers experience periods of time when the database cannot handle the high number of transactions taking place.This causes the company to lose transactions.During normal periods, the database performs appropriately.Which solution solves the performance problem the company faces?Read More →

A recently created startup built a three-tier web application.The front end has static content.The application layer is based on microservices.User data is stored as JSON documents that need to be accessed with low latency.The company expects regular traffic to be low during the first year, with peaks in traffic when it publicizes new features every month.The startup team needs to minimize operational overhead costs.What should a solutions architect recommend to accomplish this?Read More →

A company is preparing to deploy a data lake on AWS.A solutions architect must define the encryption strategy tor data at rest m Amazon S3/ The company’s security policy states:✑ Keys must be rotated every 90 days.✑ Strict separation of duties between key users and key administrators must be implemented.✑ Auditing key usage must be possible.What should the solutions architect recommend?Read More →

A company recently migrated a message processing system to AWS.The system receives messages into an ActiveMQ queue running on an Amazon EC2 instance.Messages are processed by a consumer application running on Amazon EC2.The consumer application processes the messages and writes results to a MySQL database running on Amazon EC2.The company wants this application to be highly available with low operational complexity.Which architecture offers the HIGHEST availability?Read More →

A company is designing a new application that runs in a VPC on Amazon EC2 instances.The application stores data in Amazon S3 and uses Amazon DynamoDB as its database.For compliance reasons, the company prohibits all traffic between the EC2 instances and other AWS services from passing over the public internet.What can a solutions architect do to meet this requirement?Read More →