DVA-C02 Domain 4: Troubleshooting and Optimization

Operations reports a need to improve cold start performance for Java/.NET Lambda. What is the MOST operationally efficient solution? improve cold start performance for Java/.NET Lambda.

Multiple choice — select one answer

Answer choices

  1. a. Provisioned concurrency
  2. b. AWS X-Ray
  3. c. API Gateway stage caching
  4. d. SQS dead-letter queues

Architectural breakdown & explanation

Provisioned concurrency keeps execution environments warm.

Correct answer(s): a. Provisioned concurrency

Exam domain: Domain 4: Troubleshooting and Optimization (18% weight on the official guide).

Official documentation & study links

Practice this certification

This page is one question from the AWS Certified Developer – Associate bank. Run a full timed practice exam with domain-weighted random questions in your browser.