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MongoDB C100DBA Certification Exam is a highly respected credential in the database administration industry. It demonstrates that an individual has a strong understanding of MongoDB and the ability to manage and maintain database systems effectively. MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) certification is valuable for professionals who work with MongoDB in their daily work or are looking to advance their careers in the field of database administration.

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MongoDB Certified DBA Associate Exam (Based on MongoDB 4.4) Sample Questions (Q112-Q117):

NEW QUESTION # 112
To add a new user and enable authentication in MongoDB, which of the following steps need be executed?

A. update users collection and restart mongodb
B. update users collection and run db.enableAuthenticationQ
C. All of the above
D. update users collection and restart mongodb with -auth option

Answer: D

NEW QUESTION # 113
You perform the following operation in the shell: db.foo.insert( { } ); What gets inserted?

A. A document with an _id assigned to be an Objectld
B. No document will be inserted; an error will be raised
C. A document will be inserted with the same _id as the last document inserted
D. A document that matches the collection's existing schema, but with null fields
E. An empty document

Answer: A

NEW QUESTION # 114
Aggregation Pipelines have a limit of:

A. No limit on document and 100 MB RAM
B. 2 MB document and 100 MB RAM
C. 16 MB document and 100 MB RAM
D. 2 MB document and no limit on RAM

Answer: C

NEW QUESTION # 115
Addding the index {a:l} can potentially decrease the speed of which of the following operations? Check all that apply.

A. db.collection.find( {a : 232} )
B. db.collection.update({b:456>, {$inc: {a:l> })
C. db.collection.insert( { a:341})

Answer: B,C

NEW QUESTION # 116
Suposse tou have the following collection with only 2 documents:

If you run an aggregation query and use { $unwind: "$traits" } as the first stage, how many documents will be passed to the next stage of the aggregation pipeline?

A. 0
B. 1
C. 2
D. 3
E. 4

Answer: C

NEW QUESTION # 117
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