Amazon Web Services Updated CLF-C02 Exam Questions and Answers by celeste

Scaling horizontally, or adding more instances of resources rather than increasing the size of a single instance, is a core principle of the Performance Efficiency pillar of the AWS Well-Architected Framework. It enables applications to handle increasing loads by distributing traffic across multiple resources. Other options, such as serverless architectures, managed services, and cost measurement, align with other pillars of the framework.

AWS Enterprise Support provides strategic planning assistance, infrastructure event management, and real-time support, which are necessary for business-critical applications. Trusted Advisor and APN do not offer direct strategic support, and while AWS Professional Services can assist with complex solutions, Enterprise Support specifically includes ongoing operational support and event management.