You've taken on a pivotal consulting role at a global e-commerce powerhouse, E-Tech MegaMall. The Chief Technology Officer (CTO) is focused on redefining the digital shopping experience. During a tour of their massive data centers, the CTO challenges you, 'In our complex e-commerce ecosystem, which foundational component embodies the physical infrastructure supporting our vast online marketplace, enabling scalability, redundancy, and 24/7 shopping access for millions of customers worldwide?'" The available options are: Hardware Data Software Procedures