SAP-C02 · Question #343
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 st
The correct answer is C. Create an Auto Scaling group for the front end with a combination of On-Demand and Spot. Combination of On-Demand and Spot Instances + DynamoDB.
Question
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?
Options
- ACreate an Auto Scaling group for the front end with a combination of On-Demand and Spot
- BCreate an Auto Scaling group for the front end with a combination of On-Demand and Spot
- CCreate an Auto Scaling group for the front end with a combination of On-Demand and Spot
- DConvert the On-Demand Instances into Spot Instances to reduce costs for the front end. Convert
How the community answered
(43 responses)- A5% (2)
- B14% (6)
- C56% (24)
- D26% (11)
Explanation
Combination of On-Demand and Spot Instances + DynamoDB.
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