MongoDB · 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
60–90
Exam questions
700/1000
Pass mark
Exam code
C100DBA
Full name
MongoDB Certified DBA Associate
Vendor
MongoDB
Duration
90 minutes
Questions
~0 items
Passing score
700/1000 (scaled)
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
Philosophy and Features
Tip: Start with the official Philosophy and Features objectives, then practise questions on it.
Phase 2
Server Administration
Tip: Cover the Server Administration objectives, then answer practice questions to confirm you can apply them.
Phase 3
Replication
Tip: Cover the Replication objectives, then answer practice questions to confirm you can apply them.
Phase 4
Indexing and Performance
Tip: Cover the Indexing and Performance objectives, then answer practice questions to confirm you can apply them.
Phase 5
Application Administration
Tip: Cover the Application Administration objectives, then answer practice questions to confirm you can apply them.
Phase 6
Sharding
Tip: Cover the Sharding objectives, then answer practice questions to confirm you can apply them.
Phase 7
CRUD Operations
Tip: Finish with CRUD Operations, 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.