MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4): C100DBA Exam

"MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4)", also known as C100DBA exam, is a MongoDB Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 174 Q&As to your C100DBA Exam preparation. In the C100DBA exam resources, you will cover every field and category in MongoDB Certified DBA Associate Certification helping to ready you for your successful MongoDB Certification.

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  • Exam Code: C100DBA
  • Exam Name: MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4)
  • Certification Provider: MongoDB
  • Corresponding Certification: MongoDB Certified DBA Associate
  • Updated: Oct 14, 2026
  • No. of Questions: 174 Questions & Answers with Testing Engine
  • Download Limit: Unlimited

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MongoDB C100DBA Exam Syllabus Topics:

TopicDetails
Topic 1
  • Backup and Recovery: This topic of the C100DBA exam, tests the ability to create backups of replica sets. MongoDB Database Administrators need to know backup procedures to safeguard data and ensure recovery in case of failures. Proficiency here is critical for maintaining data continuity and integrity.
Topic 2
  • Server Administration: This topic of the MongoDB Certified DBA Associate exam focuses on essential server management tasks. MongoDB Database Administrators must demonstrate proficiency in starting, stopping, and configuring mongod, using mongosh, and managing replica sets. Competence in server administration is crucial for maintaining MongoDB database operations.
Topic 3
  • Replication: It evaluates understanding of replication processes. MongoDB Database Administrators should grasp the roles of primary and secondary nodes, read preferences, rs.status, write concern, and elections. Effective replication management ensures high availability and data redundancy.
Topic 4
  • Philosophy and Features: This topic of the C100DBA exam, assesses MongoDB Database Administrators on their understanding of MongoDB's core characteristics, its differences from RDBMS databases, access and administration methods, and the concept of sharding. Mastery here ensures a strong foundational knowledge of MongoDB philosophy.
Topic 5
  • Security: The topic assesses the ability to secure MongoDB environments. MongoDB Database Administrators attempting the C100DBA exam must understand TLS, authentication, role-based authorization, encryption, and audit logging. Robust security skills protect MongoDB data integrity and ensure compliance with security standards.

Reference: https://learn.mongodb.com/pages/mongodb-associate-database-administrator-exam

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Certification Path of MongoDB C100DBA Exam

  • MongoDB Certified Developer
  • MongoDB Certified Engineer
  • MongoDB Certified Architect
  • MongoDB Developer Certified Associate

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

Which option should be used to update all the documents with the specified condition in the MongoDB query?

  • A. specify {updateAII: true} as the third parameter of update command
  • B. specify {all: true} as the third parameter of update command
  • C. updateAII instead of update
  • D. specify {multi : true} as the third parameter of update command
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Below is a sample document of " orders " collection

Reveal Solution  Discussion  0

Correct Answer:

$sort

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

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

Correct Answer: A  🗳️

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

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

Correct Answer: C  🗳️

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

Correct Answer: B  🗳️

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