MongoDB C100DEV Exam Details & Actual Exam Questions
- Exam Code/Number: C100DEV
- Exam Name/Title: MongoDB Certified Developer Associate Exam
- Certification Provider: MongoDB
- Corresponding Certification: MongoDB Certified Developer Associate
- Exam Questions: 253
- Updated On: Sep,01 2026
- Certification Level: Associate
MongoDB Certified Developer Associate Exam Questions
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(52 Up Votes)MongoDB C100DEV Exam Overview:
| Certification Vendor: | MongoDB |
|---|---|
| Exam Name: | MongoDB Certified Developer Associate Exam |
| Exam Number: | C100DEV |
| Exam Format: | Multiple-choice, Multiple-response |
| Exam Duration: | 90 minutes |
| Available Languages: | English |
| Certificate Validity Period: | 2 years |
| Passing Score: | 80% |
| Exam Price: | $150 USD |
| Real Exam Qty: | 60 |
| Recommended Training: | MongoDB University: DF100 Developer Fundamentals MongoDB University: DEV400 Developer Extension |
| Exam Registration: | Pearson VUE Registration MongoDB University Registration |
| Sample Questions: | MongoDB C100DEV Sample Questions |
| Exam Way: | Online proctored via MongoDB University or Pearson VUE test center |
| Pre Condition: | No formal prerequisites; recommended: hands-on MongoDB experience, basic database concepts, JavaScript knowledge |
| Official Syllabus URL: | https://learn.mongodb.com/certifications/c100dev |
MongoDB C100DEV Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Indexing & Query Performance | 15% | - Index types & properties - Compound & multikey indexes - Query optimization & explain plans |
| Aggregation Framework | 20% | - Data transformation & analysis - Aggregation pipeline stages - Expressions & operators |
| CRUD Operations & Querying | 20% | - Query operators, projections, sorting - MongoDB Query Language (MQL) - Create, Read, Update, Delete operations |
| Replication & High Availability | 15% | - Write concern & read preference - Replica set architecture - Failover & election concepts |
| MongoDB Fundamentals & Data Modeling | 15% | - Schema design & data modeling patterns - Document model & key features - BSON types & data representation |
| Sharding & Security | 15% | - Sharding architecture & components - Basic security best practices - Authentication & authorization |
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