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Updated: Aug 05, 2026
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MongoDB C100DEV Exam Overview:
| Certification Vendor: | MongoDB |
| Exam Name: | MongoDB Certified Developer Associate Exam |
| Exam Number: | C100DEV |
| Real Exam Qty: | 60 |
| Exam Format: | Multiple-choice, Multiple-response |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 2 years |
| Available Languages: | English |
| Passing Score: | 80% |
| Exam Price: | $150 USD |
| Recommended Training: | MongoDB University: DF100 Developer Fundamentals MongoDB University: DEV400 Developer Extension |
| Exam Registration: | MongoDB University Registration Pearson VUE 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 Certified Developer Associate exam, also known as C100DEV, is a comprehensive assessment of an individual's expertise in developing applications with MongoDB. C100DEV exam is designed to test the knowledge and skills of developers who work with MongoDB and want to demonstrate their proficiency in utilizing its features and functionalities. It is an industry-recognized certification that validates the developer's ability to design and build applications using MongoDB.
MongoDB C100DEV (MongoDB Certified Developer Associate) Certification Exam is a widely recognized certification program designed for individuals who want to validate their skills and knowledge in using MongoDB. C100DEV exam is aimed at developers who are proficient in building applications using MongoDB and want to demonstrate their expertise in this area. MongoDB Certified Developer Associate Exam certification exam covers a wide range of topics, including data modeling, query optimization, indexing, replication, sharding, aggregation, and application development using MongoDB.
MongoDB C100DEV Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Replication & High Availability | 15% | - Replica set architecture - Failover & election concepts - Write concern & read preference |
| Topic 2: Indexing & Query Performance | 15% | - Query optimization & explain plans - Compound & multikey indexes - Index types & properties |
| Topic 3: Sharding & Security | 15% | - Basic security best practices - Authentication & authorization - Sharding architecture & components |
| Topic 4: CRUD Operations & Querying | 20% | - Create, Read, Update, Delete operations - Query operators, projections, sorting - MongoDB Query Language (MQL) |
| Topic 5: Aggregation Framework | 20% | - Data transformation & analysis - Aggregation pipeline stages - Expressions & operators |
| Topic 6: MongoDB Fundamentals & Data Modeling | 15% | - Document model & key features - Schema design & data modeling patterns - BSON types & data representation |
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Frequently Asked Questions
What's the difference of the three versions of C100DEV study material?
Online test engine can supports Windows / Mac / Android / iOS, etc., because it is the software based on WEB browser. You can use it on any electronic device and practice with self-paced.
Online Test Engine supports offline practice, while the precondition is that you should run it with the internet at the first time.
Self Test Engine is suitable for windows operating system, running on the Java environment, and can install on multiple computers.
PDF version: can be read under the Adobe reader, or many other free readers, including OpenOffice, Foxit Reader and Google Docs.
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