DVA-C02 · Question #585
A company runs a web application on Amazon EC2 instances behind an Application Load Balancer. The application uses Amazon DynamoDB as its database. The company wants to ensure high performance for rea
The correct answer is A. Configure auto-scaling for the DynamoDB table with a target utilization of 70%. Set the minimum. Auto-scaling with a target utilization ensures the DynamoDB table dynamically adjusts capacity based on workload, maintaining high performance while optimizing cost. Setting a reasonable target utilization minimizes overprovisioning and throttling risks.
Question
A company runs a web application on Amazon EC2 instances behind an Application Load Balancer. The application uses Amazon DynamoDB as its database. The company wants to ensure high performance for reads and writes. Which solution will meet these requirements MOST cost-effectively?
Options
- AConfigure auto-scaling for the DynamoDB table with a target utilization of 70%. Set the minimum
- BUse DynamoDB on-demand capacity mode for the table. Specify a maximum throughput higher
- CUse DynamoDB provisioned throughput mode for the table. Create an Amazon CloudWatch
- DCreate an Amazon DynamoDB Accelerator (DAX) cluster. Configure the application to use the
How the community answered
(16 responses)- A56% (9)
- B13% (2)
- C25% (4)
- D6% (1)
Explanation
Auto-scaling with a target utilization ensures the DynamoDB table dynamically adjusts capacity based on workload, maintaining high performance while optimizing cost. Setting a reasonable target utilization minimizes overprovisioning and throttling risks.
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