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MongoDB Certified DBA Associate MongoDB Associate Database Administrator(Based on MongoDB 6.0 and 7.0+)

MongoDB Associate Database Administrator(Based on MongoDB 6.0 and 7.0+)

Last Update Sep 30, 2026
Total Questions : 172

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Questions 2

Which command can be used to rebuild the indexes on a collection in MongoDB?

Options:

A.  

db.collection.createlndex({relndex:l})

B.  

db.collection.reIndex({author:l})

C.  

db.collection.relndexQ

D.  

db.collection.createIndex({author:l}).reIndex()

Discussion 0
Questions 3

Which TWO indicators should an administrator keep an eye on to determine if the storage capacity is nearing its limit?

Options:

A.  

The execution time of the same query increases over time.

B.  

Disk space utilization on the server is consistently above 90%.

C.  

The number of documents in the database is increasing.

D.  

Message errno:28 No space left on device is present in the log file.

E.  

The number of available read or write tickets is consistently low.

Discussion 0
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Antoni Aug 3, 2026
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Questions 4

Which of the following is correct about MongoDB?

Options:

A.  

MongoDB supports geospatial indexes

B.  

MongoDB supports some of the SQL functions

C.  

MongoDB uses JSON format to represent documents

D.  

MongoDB supports collection joins

Discussion 0
Questions 5

What does the output x of the following MongoDB aggregation query result into; db.posts.aggregate( [ { $group: { _id; " $author " , x: { $sum: $likes } } } ] )

Options:

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

Discussion 0

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