Vendor: MongoDB
Exam Code: C100DBA
Exam Name: MongoDB Certified DBA Associate (Based on MongoDB 4.4)
Certification: MongoDB Certifications
Total Questions: 132 Q&A
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Updated on: Jun 15, 2026
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In what format does mongodump creates backup files?
A. BSON
B. JSON
C. SOAP
D. XML
Which of the following aggregation commands in MongoDB does not support sharded collections?
A. mapReduce
B. group
C. aggregate
D. All of the above
What does the output x of the following MongoDB aggregation query result into; db.posts.aggregate ( [ { $group: { _id; "$author", x: { $sum: $likes } } } ] )
A. Average of likes on all the posts of an author, grouped by author
B. Number of posts by an author
C. Sum of likes on all the posts by all the authors
D. Sum of likes on all the posts by an author, grouped by author
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