C100DBA exam dumps

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  • Exam Code: C100DBA
  • Exam Name: MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4)
  • No. of Questions: 174 Questions and Answers
  • Updated: Oct 30, 2026

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Sporadic time is the only kind most candidates own — lunch breaks, commutes, the hour after midnight. In 2026, Actual4Labs builds MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) preparation around exactly those fragments: C100DBA practice questions that reward accumulation.

MongoDB C100DBA Exam Syllabus Topics:

SectionObjectives
Topic 1: Server Administration- Database Operations
  • 1. Monitoring
  • 2. Configuration Management
  • 3. Backup and Restore
  • 4. Storage Management
Topic 2: Indexes- Index Management
  • 1. Index Selection
  • 2. Query Performance Optimization
  • 3. Single Field Indexes
  • 4. Compound Indexes
Topic 3: Replication- Replica Sets
  • 1. Primary and Secondary Nodes
  • 2. Write Concerns
  • 3. Read Preferences
  • 4. Elections
Topic 4: CRUD Operations- Data Manipulation
  • 1. Insert Operations
  • 2. Update Operations
  • 3. Read Queries
  • 4. Delete Operations
Topic 5: Philosophy and Features- MongoDB Architecture
  • 1. Scalability Concepts
  • 2. Collections and Databases
  • 3. High Availability Concepts
  • 4. Document Model
Topic 6: Sharding- Cluster Scaling
  • 1. Query Routing
  • 2. Shard Keys
  • 3. Chunk Distribution
  • 4. Balancer Operations
Topic 7: Application Administration- Security and Access Control
  • 1. Authorization
  • 2. Authentication
  • 3. Role-Based Access Control
  • 4. User Management

MongoDB C100DBA Exam: Your Questions, Answered

The C100DBA exam is how MongoDB decides who earns the MongoDB Certified DBA Associate certification, positioned at the Associate level. It checks whether you can apply the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) objectives to realistic problems — the skill employers are actually hiring for. It also sits within a broader certification ecosystem covering MongoDB Certified Developer Associate, so the effort compounds across your career. In a crowded global market, that badge is a competitive edge you can point to.

The MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) blueprint spans 7 domains, led by Application Administration, Replication, and Sharding. Use the weightings as a budget: heavier domains earn heavier slices of your week. The full topic breakdown is in the exam topics section above — plan against it, not against hunches.

The MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) exam fits 60-66 questions into 90 minutes. Do the arithmetic before test day: minutes divided by questions is your per-item budget, and anything eating double its budget gets flagged for the end-of-exam sweep. Rehearse the pacing against a live timer — every Actual4Labs engine session enforces one — until finishing with spare review time is routine.

Passing MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) takes 490/600, and each attempt costs $150 USD — retakes included, at full price. The rational strategy is arriving over-prepared: drill with Actual4Labs practice questions until your timed scores clear the mark several sessions running, then register. You're not being timid; you're refusing to buy the same exam twice.

MongoDB lists the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) question formats as: Multiple Choice, Multiple Response. Format shapes tactics — find the real question sentence inside long scenario stems before reading the details, and re-verify every selection on multi-answer items. Actual4Labs's 174 practice questions exercise these formats until they feel like old acquaintances.

The C100DBA exam is available in English. Choose whichever language keeps your reading fastest under the clock — in a timed exam, slow comprehension taxes every single question. Testing in English? Daily work with Actual4Labs's English C100DBA practice questions doubles as terminology training.

The certification earned via the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) exam remains valid for Not officially specified. Mark the expiry date the day you pass and research the recertification path well before it approaches — a planned renewal is an errand; an expired credential is a project. MongoDB owns these rules, so confirm the current ones on the official certification page when your window nears.

All three carry the same 174 expert-written questions — you're choosing how you want to live with the material:

  • PDF version — print it, annotate it, mark what needs a second look. Prepared by experts, instantly downloadable, includes 365 days of free updates and a free demo.
  • Desktop Test Engine — installs on every Windows computer you own, simulates the real exam environment, offers two practice modes, works offline.
  • Online Test Engine — study from any browser on Windows, Mac, Android, or iOS; test history and performance review included, and once you've studied online you can keep going even without a connection.

Many candidates mix them — PDF for notes, an engine for timed rehearsal.

Yes. Actual4Labs's free MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) PDF demo contains genuine sample questions with verified answers, so you can judge quality firsthand. Every purchase includes 365 days of free updates, and renewing after expiry costs 50% of the regular price from your member zone. Look before you buy — material this confident has nothing to hide.

Continuously. As MongoDB adjusts the MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) exam, our experts revise the bank to match, with customer feedback feeding the same loop. Updates are free for 365 days through your member zone; follow the New Releases section or the Actual4Labs newsletter, and re-verify your version 3-4 days before your exam. Expired products repurchase at 50% off to restart the service.

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

A collection and a document in MongoDB is equivalent to which of the SQL concepts respectively?

  • A. Column and Row
  • B. Table and Row
  • C. Database and Table
  • D. Table and Column
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Given a collection posts as shown below having a document array comments, which of the following command will create an index on the comment author descending?

  • A. db.posts.createIndex({^commerits.author " ;-!});
  • B. db. posts.createIndex({^comments.author " :1});
  • C. db.posts.createIndex({^comments.$.author " :-l});
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

What operation updates the value of the unitsInStock field to 25 for a document with a " laptop " product, and inserts a new document if it does not exist?

  • A. db.inventory.insertOne({ product: " laptop " }, { $set: { unitsInStock: 25 } }, { upsert: True })
  • B. db.inventory.insertOne({ product: " laptop " }, { $set: { unitsInStock: 25 } }, { upsert: true })
  • C. db.inventory.updateOne({ product: " laptop " }, { $set: { unitsInStock: 25 } }, { upsert: True })
  • D. db.inventory.updateOne({ product: " laptop " }, { $set: { unitsInStock: 25 } }, { upsert: true })
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Explanation: Only visible for Actual4Labs members. You can sign-up / login (it's free).

In order to ensure that you can maintain high availability in the face of server failure, you should implement which of the following?

  • A. Properly defined user roles
  • B. The proper storage engine
  • C. Replication
  • D. Put indexes on all of your documents
  • E. Sharding
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

What does the following $slice query return using the following command? db.posts.find( {}, { comments: {
$slice: [ -10, 5 ] } } )

  • A. Returns 5 comments, beginning with the first 10 items
  • B. Returns 10 comments, beginning with the last
  • C. Returns 5 comments, beginning with the last 10 items
  • D. Returns 10 comments, beginning with the first
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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