30/60/90-day study plan for OCI 2025 Multicloud Architect Professional (1Z0-1151-25): recommended hours, weekly schedules, and practice integration.
Multicloud work is “integration heavy”: practice thinking in layers (identity, network, data, operations).
Typical candidates need 80–140 focused hours.
| Your time | Recommended timeline |
|---|---|
| 18–22 hrs/week | 30 days (intensive) |
| 10–14 hrs/week | 60 days (balanced) |
| 6–9 hrs/week | 90 days (part‑time) |
| Week | Focus | Output |
|---|---|---|
| 1 | OCI fundamentals refresh + governance/IAM | Topics 1–2 + drills |
| 2 | Multicloud connectivity + routing/security boundaries | Topics 3–4 + drills |
| 3 | Data placement + replication + integration patterns | Topics 5–6 + mixed sets |
| 4 | Resilience + operations + review | mixed sets + revision |
Open practice: /app/cloud/#/topic-selection/oracle_1z0-1151-25