Answer: Phone, web, and chat support 24 hours a day, 7 days a week, Full set of AWS Trusted Advisor best practice checks

## Explanation AWS Business Support includes: - **24x7 phone, chat, and web support** - This is a core feature of Business Support that provides round-the-clock access to AWS support - **Full set of AWS Trusted Advisor best practice checks** - Business Support unlocks all Trusted Advisor checks (not just the basic ones available with Developer Support) **Why the other options are incorrect:** - **Dedicated AWS technical account manager (TAM)** - This is only available with AWS Enterprise Support, not Business Support - **Response time of less than 15 minutes for business-critical cases** - This is an Enterprise Support feature; Business Support has longer response time SLAs - **Well-Architected reviews** - These are typically part of Enterprise Support or available through AWS Professional Services **AWS Support Plans Comparison:** - **Basic**: Free, limited to account and billing support - **Developer**: Business hours email support - **Business**: 24x7 support, full Trusted Advisor checks - **Enterprise**: Includes TAM, faster response times, and additional services

Author: Ritesh Yadav