30/60/90-day study plan for OCI 2025 Architect Professional (1Z0-997-25): recommended hours, weekly schedules, and how to integrate practice.
This exam is scenario-heavy. Plan to spend time building architecture “instincts” around failure, security, and 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 | Enterprise OCI foundations: governance + IAM at scale | Topics 1–2 + drills |
| 2 | Advanced networking + hybrid connectivity | Topics 3–4 + drills |
| 3 | HA/DR patterns + data resilience | Topics 5–6 + mixed sets |
| 4 | Security architecture + ops readiness + full review | mixed sets + revision |
| Week | Focus |
|---|---|
| 1–2 | Governance/IAM + policy patterns |
| 3–4 | Advanced networking + connectivity |
| 5–6 | HA/DR + backups/replication concepts |
| 7 | Security posture + threat detection + audit |
| 8 | Mixed sets + final review |
| Weeks | Focus |
|---|---|
| 1–3 | Governance + IAM at scale |
| 4–6 | Networking + hybrid design |
| 7–9 | HA/DR + data resilience |
| 10 | Cost/performance trade-offs |
| 11–12 | Review + mixed sets |
Open practice: /app/cloud/#/topic-selection/oracle_1z0-997-25