OCI Multicloud Architect Associate study guide
OCI Multicloud Architect Associate · Work through your exam, one topic at a time.
The Oracle Cloud Infrastructure 2025 Multicloud Architect Associate is an Oracle University certification exam, listed under code 1Z0-1123-25. It targets architects and senior engineers who design, connect, and operate workloads that span Oracle Cloud Infrastructure and at least one other hyperscale cloud. The OCI Multicloud Architect Associate study guide has 5 sections and about 2,048 words.
01Multicloud Fundamentals
This domain tests how you choose and justify a multicloud architecture on OCI: service placement, Oracle's multicloud products, billing and support boundaries, and shared responsibility. Oracle's model is not "move everything to OCI"; it is "run Oracle Database where your application and data already are" through Oracle Database@Azure, Oracle Database@Google Cloud, and Oracle Database@AWS, plus OCI-native services connected by private interconnects.
420 words, about 2 min02OCI Multicloud Networking
This domain tests private connectivity between OCI VCNs and other clouds: interconnect choices, routing, CIDR planning, security controls, and failure modes. The exam expects you to distinguish a dedicated interconnect from an IPsec VPN and to design bidirectional routing, not just a tunnel.
408 words, about 2 min03Identity and Access Management Across Clouds
This domain tests authentication and authorization across OCI and other clouds. The key idea: federation gives users one sign-in, but each cloud still authorizes actions with its own policy system.
405 words, about 2 min04Multicloud Data and Application Architectures
This domain tests placement and movement of data and application tiers across clouds: latency, egress, consistency, replication, disaster recovery, and feature parity. The exam favors architectures that keep chatty traffic local and replicate only what the recovery objectives require.
408 words, about 2 min05Operations, Security, and Governance in Multicloud
This domain tests how you run a multicloud estate: shared responsibility, monitoring, logging, key management, guardrails, cost control, and incident response. The exam expects centralized visibility without pretending one cloud's native tool manages the other.
407 words, about 2 min