AWS Certified Developer - Associate (DVA-C02) | Real Exam Questions & Answers | Part 14 (Q261-280)

Welcome to Part 14 of our AWS Certified Developer - Associate (DVA-C02) exam prep series!

In this session, we analyze Questions 261-280, focusing on Operational Excellence and Advanced Security Patterns. As a developer, you aren't just writing code; you are responsible for fixing failed queues, detecting unauthorized infrastructure changes, and ensuring your data is encrypted according to strict compliance rules.

Do you know the modern way to "redrive" failed messages from a Dead Letter Queue (DLQ) back to the source queue without writing custom scripts? Or how to test AWS Step Functions workflows locally without actually calling real AWS services? This video covers these critical skills.

IN THIS SESSION, WE COVER:
✅ Messaging & Streaming: Recovering failed SQS messages using the StartMessageMoveTask API (Redrive) and choosing Kinesis Data Streams for parallel, real-time data consumption.
✅ Serverless Networking: Configuring NAT Gateways to allow VPC-connected Lambda functions to access public APIs .
✅ DevOps & IaC: Detecting unauthorized manual changes to your stack using CloudFormation Drift Detection and implementing Rolling with Additional Batch deployments in Elastic Beanstalk.
✅ Security & Compliance: Enforcing encryption in transit using S3 Bucket Policies (aws:SecureTransport) and monitoring ACM Certificate Expiration via EventBridge .

▶️ WATCH THE FULL 500-QUESTION PLAYLIST HERE: [https://www.youtube.com/playlist?list=PLB574eEmT4ofjfiABMEx5c19Q_lCbaADV]

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Question of the Day: In this video, we discuss CloudFormation Drift Detection. Do you use Drift Detection in your CI/CD pipelines to catch manual changes, or do you rely on strict IAM permissions to prevent them? Let us know in the comments!

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