OCI 1Z0-1085-25 Study Plan: 30, 60, and 90 Days
March 28, 2026
OCI 1Z0-1085-25 30-, 60-, and 90-day study plan with topic order, review loops, and final-week priorities.
This page answers the practical question: how to structure prep for 1Z0-1085-25.
How long should you study?
Most candidates pass with 25-45 focused hours, depending on prior cloud experience.
| Your time |
Recommended timeline |
| 10-12 hrs/week |
30 days (intensive) |
| 5-7 hrs/week |
60 days (balanced) |
| 2-4 hrs/week |
90 days (part-time) |
How to use this plan well
| If you are… |
Use the plan like this |
| already strong on general cloud concepts but weaker on OCI naming |
spend extra time on the OCI service map and scope boundaries |
| comfortable with services but weaker on IAM and networking |
spend extra time on policies, groups, dynamic groups, VCN, gateways, NSGs, and security lists |
| short on time |
complete one pass through service map, IAM, networking, and storage before chasing less common topics |
How to use this plan
- treat the resources page as your official reference shelf
- send recurring misses to the local cheat sheet or glossary
- keep a mistake log for service purpose, IAM scope, networking basics, and storage selection
30-Day Intensive Plan (4 weeks)
| Week |
Focus |
Output |
| 1 |
OCI fundamentals, regions, availability domains, compartments, core service map |
drills |
| 2 |
IAM basics and networking basics |
drills |
| 3 |
compute, storage, database, observability, and service selection |
mixed sets |
| 4 |
full review, weak areas, and readiness check |
readiness check |
60-Day Balanced Plan (8 weeks)
| Week |
Focus |
| 1-2 |
fundamentals and core service mapping |
| 3-4 |
IAM basics and governance |
| 5-6 |
networking basics and compute or storage selection |
| 7 |
observability and troubleshooting basics |
| 8 |
mixed review and cheat-sheet revision |
90-Day Part-Time Plan (12 weeks)
| Weeks |
Focus |
| 1-3 |
fundamentals and service map |
| 4-6 |
IAM and governance |
| 7-9 |
networking and compute or storage |
| 10 |
databases and integration basics |
| 11-12 |
review and mixed sets |
What strong prep usually does
- maps each OCI service to one clean purpose instead of memorizing a flat list
- turns misses into short rules such as
dynamic groups are for resources, not users
- keeps IAM and networking scope boundaries visible while reviewing service selection
- strips advanced architecture detail out of foundations-level questions
If your misses cluster, route them deliberately
| Miss pattern |
Usually means |
Best page to revisit |
| service choices still all sound plausible |
your OCI service map is still too fuzzy |
Cheat Sheet |
| tenancy, compartment, IAM, and networking scopes blur together |
you need cleaner OCI boundary thinking |
Glossary |
| networking answers still feel interchangeable |
you need a stronger model of gateways, NSGs, security lists, and route tables |
FAQ |
| Oracle terminology still feels vague |
you need to revisit the official OCI docs through the local Resources page |
Resources |
Booking signal
Book when you can:
- identify the purpose of the main OCI services without guessing
- explain where policies, compartments, subnets, and gateways apply
- choose between storage or compute options for simple scenario questions
- separate foundations-level concepts cleanly instead of mixing advanced architecture detail into every answer
Final 72 hours
- re-read Cheat Sheet for IAM, networking, and service-map traps
- use FAQ to clean up final uncertainty
- keep Resources open for exact OCI terminology or service details
Revised on Sunday, May 10, 2026