MongoDB C100DBA

Preparing for the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) exam while juggling a full-time job is not easy, and most candidates simply do not have months to spare. Dumpkiller built its C100DBA practice questions for exactly that situation — 130 focused questions that make every study hour in 2026 count.

MongoDB C100DBA Exam Overview:

MongoDB C100DBA Exam Syllabus Topics:

MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4): Common Questions From Candidates

What is the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) certification exam?

The MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) exam (code: C100DBA) is the official MongoDB exam that leads to the MongoDB Certified DBA Associate certification. It sits at the Associate level of the MongoDB certification track. It is also connected with related credentials such as MongoDB Certified Developer Associate, MongoDB Certified DBA Professional. Passing it proves to employers that your skills have been validated by MongoDB itself, which is why the C100DBA credential keeps showing up in job postings.

Are there any prerequisites for the C100DBA exam?

According to MongoDB, the following applies: Recommended practical experience administering MongoDB deployments (approximately 6+ months) and familiarity with MongoDB 4.4 features.. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://www.mongodb.com/certification before you register.

How do I register for the C100DBA exam?

You can book your MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) exam through the official channels below:

• MongoDB Certification Portal

Depending on availability in your region, the exam is delivered as Online proctored exam.

What official training does MongoDB recommend for the C100DBA exam?

MongoDB lists the following training options for MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) candidates:

• MongoDB University Learning Platform

Official courses build a solid foundation, and pairing them with the 130 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.

Can I try the C100DBA practice questions before buying?

Yes. Dumpkiller offers a free C100DBA PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.

What happens if I do not pass the C100DBA exam, and how is my order delivered?

If you take the corresponding C100DBA exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.

What topics are covered in the C100DBA exam?

The official MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) syllabus is organized into 8 main domains. The first three are Indexing and Performance Tuning, Replication and High Availability, and Data Modeling. For the full domain-by-domain breakdown, see the complete Exam Topics outline above.

MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Sample Questions:

Question 1

What is the first task that a secondary would perform on being prompted by another secondary for an election?

A. Vote for itself and then call for election
B. Vote for the first secondary so that it would become the next primary
C. Start the election process for primary
D. Connect to primary to confirm its availability

Question 2

Consider that the posts collection contains an array called ratings which contains ratings given to the post by various users in the following format:

Which of the following query will return all the documents where the ratings array contains elements that in some combination satisfy the query conditions?

A. db.inventory.find( { ratings: { $elemMatch: { $gte: 3, $lte: 6 } } } )
B. db.inventory.find( { ratings: { ratings: { $gt: 5, $lt: 9 } } } )
C. db.inventory.find( { ratings: { $elemMatch: { $gt: 3, $lt: 6 }
D. db.inventory.find( { ratings: { ratings.$: { $gt: 5, $lt: 9 } } } )

Question 3

What tool do you use if you want to extract a CSV from mongo?

Question 4

We can insert multiple documents in bulk using which of the following operations:

A. initializeBulk
B. initializeUnorderedBulkOp
C. initializeBulkOp
D. initializeUnorderedBulk

Question 5

Which is the correct order (lowest to highest) in which MongoDB compares the BSON types?

A. Number, Null, String and Object
B. Null, Number, Object and String
C. String, Null, Number and Object
D. Null, Number, String and Object

Solutions: