Implement solutions that are scalable to meet business requirements.

8 practice questions under this official exam objective (DOP-C02), each with the answer key, an option-by-option explanation and instant feedback.

Questions under this objective

8 total · page 1 of 1
DOP-C02 A-grade

Enable provisioned concurrency, reuse database connections outside the handler, and route

The load test shows the functions can meet peak volume, but latency spikes on the initial burst because most invocations query the database and a larg

20 comments
DOP-C02 S-grade

Optimizing Amazon Timestream Query Performance

To achieve the fastest query performance in Amazon Timestream for high-frequency metrics, you must use batch writes and multi-measure records to minim

9 comments
DOP-C02 S-grade

Front the Aurora reader endpoint with RDS Proxy and open the connection outside the Lambda

As EventBridge invokes the Lambda function more frequently, each invocation opening its own database connection exhausts connection capacity and raise

8 comments
DOP-C02 S-grade

Enable IAM authorization on the API methods and require SigV4-signed requests from the int

The APIs are private behind an interface VPC endpoint, and after the resource policies were changed to allow only endpoint-sourced requests, invocatio

7 comments
DOP-C02 A-grade

Increase the ALB target group health check grace period for the ECS service

The service was stable until a new task definition with a new container image was deployed, after which tasks repeatedly start and are then stopped be

5 comments
DOP-C02 A-grade

Use On-Demand warm pools for critical data and a separate Spot group scaling on a CloudWat

The critical data analysis cannot tolerate interruption and needs fast scale-out on real-time demand, so it stays on the existing On-Demand Auto Scali

4 comments
DOP-C02 A-grade

Grant EventBridge permission to run commands on the EKS worker nodes and target a State Ma

Image prefetching must happen on the worker nodes that run the containers, and it must also apply to nodes added later, which means the automation has

4 comments
DOP-C02 A-grade

Attach a resource policy to the API Gateway API allowing only the specific VPC IDs

The API must be reachable only from specific VPCs in the company, which is a caller-identity restriction rather than a network configuration. Amazon A

3 comments