Multicloud Fundamentals and Oracle Multicloud Strategy
What the exam tests
This domain checks whether you can explain multicloud operating models and place Oracle workloads correctly. Oracle's strategy is 'multicloud by design': OCI remains the control plane, while Oracle Database services are also delivered inside Microsoft Azure, AWS, and Google Cloud. Distributed cloud options include public OCI regions, Dedicated Region, and Cloud@Customer.
Core rules
- Multicloud means workloads on two or more providers; hybrid means private plus public. A multicloud estate can still be hybrid.
- Oracle Database@Azure, @AWS, and @Google Cloud deliver Oracle-managed database services in partner data centers, not all OCI services.
- The same Oracle Database engine, Exadata, Autonomous Database, licensing (BYOL/Universal Credits), and Oracle Support apply, but the cloud marketplace, IAM, and networking wrappers differ.
- Place workloads by data gravity, latency, residency, egress, skills, and compliance. Keep chatty app-to-database traffic in one cloud or on a private interconnect.
- Shared responsibility is split: the partner cloud secures its infrastructure; Oracle manages the database service; you own data, identities, and access policies.
Worked example
A retailer runs SAP on Azure and Oracle E-Business Suite on OCI. A new Azure analytics app needs low-latency Exadata. Moving the database to Azure keeps the app-database hop private and avoids repeated cross-cloud egress; Oracle Database@Azure provides Oracle-managed Exadata in an Azure region. EBS remains on OCI until a separate migration case is proven. The architect documents latency, licensing, support, and exit plans rather than assuming multicloud means active-active everywhere.
Traps
Confusing hybrid with multicloud; assuming every OCI service appears in a partner cloud; treating Oracle Database@Azure as self-managed Exadata; forgetting marketplace billing and support boundaries; ignoring egress and interconnect failure.