The HPE7-A04 Aruba Certified Data Center Architect certification validates advanced proficiency for Network Architects and Data Center Engineers in designing scalable, resilient enterprise fabric architectures. Candidates must demonstrate deep technical mastery of Aruba Fabric Composer, AOS-CX switching, and EVPN-VXLAN encapsulation protocols within multi-tenant leaf-spine topologies. Key objectives include integrating LISP control planes, implementing micro-segmentation via Aruba Dynamic Segmentation, and optimizing BGP routing policies for non-blocking performance. Furthermore, the exam evaluates expertise in managing REST APIs, executing zero-touch provisioning workflows, and deploying high-availability clusters across distributed physical and virtualized infrastructures while maintaining consistent security policy enforcement and comprehensive telemetry-based monitoring frameworks.