Determined to register but not sure about us? Take the free trial first: the C100DBA demo from Test4Cram shows real questions and answers from the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) set — look, judge, then decide in your own favor.
MongoDB C100DBA Exam Overview:
| Certification Vendor: | MongoDB |
|---|---|
| Exam Name: | MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) |
| Exam Number: | C100DBA |
| Exam Duration: | 120 minutes |
| Exam Format: | Multiple Choice, Multiple Select, Scenario-based |
| Related Certifications: | MongoDB Certified Developer Associate MongoDB Certified DBA Professional |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| 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 |
|---|---|
| Backup, Restore, and Operations | - Monitoring and maintenance - Restore procedures - Backup strategies and tools |
| Aggregation Framework | - Data transformation and grouping - Aggregation operators - Aggregation pipeline stages |
| Replication and High Availability | - Read/write concerns - Failover and elections - Replica set architecture |
| Sharding and Scalability | - Balancing and scaling operations - Sharded cluster architecture - Shard keys and distribution strategy |
| Data Modeling | - Schema design principles - Relationships in MongoDB - Embedding vs referencing |
| MongoDB CRUD Operations | - Working with documents and BSON types - Insert, update, and delete operations - Querying and filtering documents |
| Indexing and Performance Tuning | - Index types and usage - Query performance optimization - Explain plans and diagnostics |
| Security | - Role-based access control (RBAC) - Authentication and authorization - Encryption at rest and in transit |
The MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) FAQ — Read This Before Registering
Yes — the vendor's recommended training:
Training classes demand schedules; practice questions demand only spare minutes. After any course, the C100DBA questions from Test4Cram measure how much of it will survive exam day.
The MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) blueprint has 8 domains, led by Replication and High Availability, Backup, Restore, and Operations, Aggregation Framework. Think of the weightings as the vendor's hint about where points concentrate — plan your hours accordingly. The complete outline above lists every subtopic.
Registration happens through the vendor's official channels:
The exam is delivered Online proctored exam — choose the arrangement that works for you when you book.
Passing the C100DBA exam earns you the MongoDB Certified DBA Associate certification at the Associate level — MongoDB's official verification of your skills. It's considered important because it's genuinely difficult, which is exactly why it carries weight with employers. Related credentials include MongoDB Certified Developer Associate, MongoDB Certified DBA Professional.
Delivery is instant: successful payment triggers an automatic email with your product, arriving in about a minute — install on unlimited computers, and if 2 hours pass with nothing, our 24/7/365 customer service will fix it fast. The guarantee: take the corresponding C100DBA exam within 60 days of purchase, and if you fail, submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam for a 100% refund processed within 7 days. Exclusions: exams within 3 days of purchase, name mismatches between candidate and payer, and free or expired products. Prefer a swap? Take two equal-value exam products free, updates intact.
Recommended practical experience administering MongoDB deployments (approximately 6+ months) and familiarity with MongoDB 4.4 features. Before paying any registration fee, verify the current criteria on the official exam page — official C100DBA exam page — since vendors do revise their rules.
Yes — the free demo gives you several real questions and answers from the set, so you can see whether it interests you and helps you before spending anything. Once you buy, updates are free for 365 days — new versions are mailed to you automatically — and an expired update period renews at 50% off.
MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Sample Questions:
In a replica set, a_________number of members ensures that the replica set is always able to select a primary.
- A. Odd
- B. Even
- C. Depends on the application architecture
- D. 2
Correct Answer: A 🗳️
Which TWO methods should an administrator use to create a backup of a MongoDB replica set?
- A. Utilize the bsondump utility to create a backup.
- B. Utilize the mongoexport utility to create a backup.
- C. Utilize Filesystem Snapshots to create a backup.
- D. Utilize the mongodump utility to create a backup.
- E. Utilize the mongofiles utility to create a backup.
Correct Answer: C,D 🗳️
Explanation: Only visible for Test4Cram members. You can sign-up / login (it's free).
Which option should be used to update all the documents with the specified condition in the MongoDB query?
- A. specify {multi : true} as the third parameter of update command
- B. specify {all: true} as the third parameter of update command
- C. specify {updateAII: true} as the third parameter of update command
- D. updateAII instead of update
Correct Answer: A 🗳️
Which TWO indicators should an administrator keep an eye on to determine if the storage capacity is nearing its limit?
- A. The number of available read or write tickets is consistently low.
- B. Message errno:28 No space left on device is present in the log file.
- C. Disk space utilization on the server is consistently above 90%.
- D. The number of documents in the database is increasing.
- E. The execution time of the same query increases over time.
Correct Answer: B,C 🗳️
Explanation: Only visible for Test4Cram members. You can sign-up / login (it's free).
Which of the following is incorrect statement about find and findOne operations in MongoDB?
- A. findQ returns all the documents in a collection while findOne() retrieves only the first one.
- B. find.limit(l) is not the same query as findOne()
- C. findQ and findOneQ returns cursors to the collection documents
- D. findOneQ returns the actual first document retrieved from a collection
Correct Answer: C 🗳️
