A Solutions Architect must design a highly available, stateless, REST service. The service will require multiple persistent storage layers for service object meta information and the delivery of content. Each request needs to be authenticated and securely processed. There is a requirement to keep costs as low as possible?
How can these requirements be met?
Correct Answer:C
A Solutions Architect is designing a highly available and reliable solution for a cluster of Amazon EC2 instances.
The Solutions Architect must ensure that any EC2 instance within the cluster recovers automatically after a system failure. The solution must ensure that the recovered instance maintains the same IP address.
How can these requirements be met?
Correct Answer:B
References: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-recover.html
A company CFO recently analyzed the company’s AWS monthly bill and identified an opportunity to reduce the cost for AWS Elastic Beanstalk environments in use. The CFO has asked a Solutions Architect to design a highly available solution that will spin up an Elastic Beanstalk environment in the morning and terminate it at the end of the day.
The solution should be designed with minimal operational overhead and to minimize costs. It should also be able to handle the increased use of Elastic Beanstalk environments among different teams, and must provide a one-stop scheduler solution for all teams to keep the operational costs low.
What design will meet these requirements?
Correct Answer:B
https://aws.amazon.com/premiumsupport/knowledge-center/schedule-elastic-beanstalk-stop-restart/
A Solutions Architect needs to design a highly available application that will allow authenticated users to stay connected to the application even when there are underlying failures
Which solution will meet these requirements?
Correct Answer:B
A company runs an ordering system on AWS using Amazon SQS and AWS Lambda, with each order received as a JSON message. recently the company had a marketing event that led to a tenfold increase in orders. With this increase, the following undesired behaviors started in the ordering system:
Lambda failures while processing orders lead to queue backlogs. The same orders have been processed multiple times.
A solutions Architect has been asked to solve the existing issues with the ordering system and add the following resiliency features: Retain problematic orders for analysis. Send notification if errors go beyond a threshold value. How should the Solutions Architect meet these requirements?
Correct Answer:D