Oracle · 2026 Edition
A complete preparation guide, edited by Johnson Ajibi, a network and security engineer with 12+ years' experience. Covers the exam format,all 7 blueprint domains, a week-by-week study plan, and proven tips for passing first time.
2–4 months
Prep time
Intermediate
Difficulty
Multiple choice
Format
Exam code
1Z0-997-26
Full name
Oracle Cloud Infrastructure 2026 Architect Professional (1Z0-997-26)
Vendor
Oracle
Exam format
Multiple choice
Domains covered
7 blueprint domains
Recommended experience
Foundational IT knowledge recommended
Typical prep time
2–4 months
Domain percentage weights are not currently available for this exam. The checklist below is still useful for planning your study.
Phase 1
Observability
Tip: Start with the official Observability objectives, then practise questions on it.
Phase 2
Cloud Native Architecture
Tip: Cover the Cloud Native Architecture objectives, then answer practice questions to confirm you can apply them.
Phase 3
Multicloud And Hybrid
Tip: Cover the Multicloud And Hybrid objectives, then answer practice questions to confirm you can apply them.
Phase 4
High Availability And Disaster Recovery
Tip: Cover the High Availability And Disaster Recovery objectives, then answer practice questions to confirm you can apply them.
Phase 5
Databases
Tip: Cover the Databases objectives, then answer practice questions to confirm you can apply them.
Phase 6
Workload Migration
Tip: Cover the Workload Migration objectives, then answer practice questions to confirm you can apply them.
Phase 7
Security
Tip: Finish with Security, then re-test your weakest earlier domain before a mock exam.
Study the official exam blueprint — weight percentages tell you exactly where to invest prep time.
Practise scenario-based questions regularly — every modern cert exam is scenario-heavy.
Use spaced repetition to retain what you've learned (Courseiva does this automatically).
Book your exam date once you're scoring 80%+ consistently on practice tests.
Review explanations for every wrong answer, not just the question — the 'why' is what makes it stick.
Apply everything in this guide with adaptive practice questions, detailed answer explanations, and domain analytics.