AWS Certified Developer - Associate (DVA-C02) | Real Exam Questions & Answers | Part 13 (Q241-260) скачать в хорошем качестве

AWS Certified Developer - Associate (DVA-C02) | Real Exam Questions & Answers | Part 13 (Q241-260)

Welcome to Part 13 of our AWS Certified Developer - Associate (DVA-C02) exam prep series! We are pressing forward with Questions 241-260. In this session, we tackle integration patterns and advanced testing scenarios. As a developer, you often need to simulate backends before they exist or connect services across different AWS accounts. This video covers exactly how to do that securely and efficiently. Do you know how to use API Gateway Mapping Templates to serve a static HTML landing page without a backend ? Or how to properly test an S3 event trigger on your local machine using the AWS SAM CLI ? We break down these workflows step-by-step. IN THIS SESSION, WE COVER: ✅ API Gateway Mastery: Simulating backend responses using Mock Integrations and transforming JSON to HTML using VTL Mapping Templates . ✅ Security & Identity: Implementing Cross-Account Access using IAM Roles and sts:AssumeRole , and triggering emails upon login using Cognito Post-Authentication Triggers. ✅ Deployment Strategies: Safely rolling out Lambda updates using Weighted Aliases (Traffic Shifting) and achieving zero downtime in Elastic Beanstalk. ✅ Observability & Testing: Locally testing Lambda S3 triggers with sam local generate-event and creating custom metrics from logs using CloudWatch Embedded Metric Format (EMF). ▶️ WATCH THE FULL 500-QUESTION PLAYLIST HERE: [   • AWS Certified Developer - Associate (DVA-C...  ] -- RESOURCES & SUPPORT 🤝 If you find these technical explanations helpful for your study, please Like, Subscribe, and Share this video with your fellow developers. It helps us keep this content free! Question of the Day: In this video, we discuss Cross-Account Access. Have you ever had to configure sts:AssumeRole in a real project, or do you mostly work within a single AWS account? Let us know in the comments! #aws #awscertification #dvac02 #awsdeveloper #apigateway #iam #awssam #cloudwatch #cognito #serverless #awsexam #part13