Develop code for AWS Lambda.
3 practice questions under this official exam objective (DVA-C02) — each with the community-verified answer, a full option-by-option explanation and instant feedback.
How to Increase Elasticity for Spiky POS Transaction Writes
This DVA-C02 question tests how to make a write-heavy, bursty API Gateway–Lambda–RDS pipeline elastic on a budget. It establishes that buffering trans
How to Canary-Test Optimized Lambda Code Through API Gateway?
This DVA-C02 scenario tests AWS Lambda versioning with an API Gateway REST API canary release so optimized code reaches only a small slice of producti
Which design preserves first-order seat priority in serverless app
This DVA-C02 scenario tests ordering and parallel fan-out in a serverless ticketing pipeline built on API Gateway, Lambda and DynamoDB. An SNS FIFO to