- Exam Code: C100DBA
- Exam Name: MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4)
- Updated: Sep 06, 2026
- Q & A: 130 Questions and Answers
MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) : C100DBA valid dump
PDF Version DemoAbout MongoDB C100DBALatest exam Dumps
Among IT certifications, MongoDB credentials still command genuine respect from employers. The MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) exam is your way in, and the 130 practice questions from Actual4Dumps make sure preparation time translates into exam-day points.
MongoDB C100DBA Exam Overview:
| Certification Vendor: | MongoDB |
|---|---|
| Exam Name: | MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) |
| Exam Number: | C100DBA |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple Choice, Multiple Select, Scenario-based |
| Exam Duration: | 120 minutes |
| Related Certifications: | MongoDB Certified Developer Associate MongoDB Certified DBA Professional |
| Available Languages: | English |
| Recommended Training: | MongoDB University Learning Platform |
| Exam Registration: | MongoDB Certification Portal |
| Sample Questions: |  |
| Exam Way: | Online proctored exam |
| Pre Condition: | Recommended practical experience administering MongoDB deployments (approximately 6+ months) and familiarity with MongoDB 4.4 features. |
| Official Syllabus URL: | https://www.mongodb.com/certification |
MongoDB C100DBA Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Security | - Encryption at rest and in transit - Authentication and authorization - Role-based access control (RBAC) |
| Data Modeling | - Embedding vs referencing - Schema design principles - Relationships in MongoDB |
| Backup, Restore, and Operations | - Monitoring and maintenance - Backup strategies and tools - Restore procedures |
| Aggregation Framework | - Aggregation pipeline stages - Aggregation operators - Data transformation and grouping |
| MongoDB CRUD Operations | - Querying and filtering documents - Working with documents and BSON types - Insert, update, and delete operations |
| Replication and High Availability | - Read/write concerns - Replica set architecture - Failover and elections |
| Sharding and Scalability | - Shard keys and distribution strategy - Sharded cluster architecture - Balancing and scaling operations |
| Indexing and Performance Tuning | - Explain plans and diagnostics - Index types and usage - Query performance optimization |
MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Exam FAQ: Straight Answers for Candidates
MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) is an official certification exam from MongoDB, identified by the exam code C100DBA. Pass it and you hold the MongoDB Certified DBA Associate certification, which sits at the Associate level. It also feeds into related credentials, including MongoDB Certified Developer Associate, MongoDB Certified DBA Professional. In practical terms, this certification tells employers your skills have been measured against the vendor's own standard, which is why certified candidates tend to stand out in hiring and promotion decisions.
Recommended practical experience administering MongoDB deployments (approximately 6+ months) and familiarity with MongoDB 4.4 features.
Because vendors update their policies without much fanfare, verify the latest entry requirements before you book using the official exam page.
Booking for the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) exam goes through the vendor's official registration channels.
When you choose your slot, note that the exam is delivered Online proctored exam.
MongoDB lists the following recommended training for MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) candidates.
Courses teach the concepts; repetition makes them exam-ready. Round out whichever training you pick with the 130 practice questions from Actual4Dumps, and each topic stops being theory and starts being points.
Yes, and we encourage it. Download the free PDF demo of the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) questions from Actual4Dumps and evaluate the quality on your own terms. After you buy, every update for the next 365 days is free, and when that window closes you can extend your update service at half price.
A 100% money-back guarantee applies, governed by clear conditions. If you sit the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) exam within 60 days of purchase and fail, you can claim a full refund, as long as the exam corresponds to your product. Attempts made within 3 days of purchase are ineligible, as are products you downloaded but never used, free materials, and expired orders; the name on the exam record must match the payer's name. File your claim with a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and it is settled within 7 days. Rather have a replacement than a refund? You may exchange for two other exam products of equal value, free, and your original product keeps its update service.
Delivery is essentially instantaneous: files unlock for download at payment and arrive in your email within one minute. Some vendors make you wait a day; if 2 hours pass here without delivery, check spam and contact customer service. Install on as many computers as you like, with no restrictions.
The MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) blueprint spans 8 domains. The ones carrying the most weight include Aggregation Framework, Replication and High Availability, and Indexing and Performance Tuning. The complete domain-by-domain breakdown is in the exam topics section above; treat it as your master checklist and let the weights tell you where your study hours earn the most.
MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Sample Questions:
Question 1
Consider that you have a collection called population which has fields state and city. Which of the following query will calculate the population grouped by state and city?
A. db.population.aggregate( [{ $group: { _id: { state: Estate", city: "$city" },pop: { $pop: 1 } } }] )
B. db.population.aggregate( [{ $group: { _id: { city: "$city" },pop: { $sum: "$pop" } } }] )Multi Document Transaction is not supported by MongoDB
C. db.population.aggregate( [{ $group: { _id: { state: Estate", city: n$city" },pop: { $sum: "$pop" } } }] )
D. db.population.aggregate( [{ $group: { _id: { state: "$state", city; "$city" },pop: { $sum: 1 > > >] )
Question 2
The oplog (operations log) is a special capped collection that keeps a rolling record of all operations that modify the data stored in your databases. All the replica set members contain a copy of the oplog in the following collection:
A. <replicasetid>.oplog.rs
B. local.oplog.rs
C. <database>..oplog.rs
D. oplog.rs
Question 3
You perform the following operation in the shell: db.foo.insert( { } ); What gets inserted?
A. A document with an _id assigned to be an Objectld
B. An empty document
C. No document will be inserted; an error will be raised
D. A document will be inserted with the same _id as the last document inserted
E. A document that matches the collection's existing schema, but with null fields
Question 4
Consider the following posts document:
Which of the following queries will return the documents but with only the first two tags in the tags array?
A. db.posts.find({author:"Tom"}.limit({tags:2})
B. Both "db.posts.find({author:"Tom"},{tags:{$slice:2}})" and "db.posts.find({author:"Tom"}).limit($slice: {tags:2})" are valid. $slice works both with projection and limit.
C. db.posts.find({author:"Tom">,{tags:{$slice:2})
D. db.posts.find({author:"Tom"}.limit($slice:{tags:2})
Question 5
A collection and a document in MongoDB is equivalent to which of the SQL concepts respectively?
A. Database and Table
B. Table and Row
C. Table and Column
D. Column and Row
Solutions:
| Question 1 Answer: C | Question 2 Answer: B | Question 3 Answer: A | Question 4 Answer: C | Question 5 Answer: B |
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