Free C100DEV – MongoDB Certified Developer Associate (Based on MongoDB 4.4) Practice Test Question

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• ○ insertMany() batch method
• ○ addDoc() collection method
• ○ insertOne() shell/driver method
• ○ createOne() document method

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• ○ Sets specified fields to new values
• ○ Adds values to an array field
• ○ Renames the target collection
• ○ Deletes the matched documents

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• ○ $gt comparison operator
• ○ $gte equality operator
• ○ $in membership operator
• ○ $exists presence operator

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• ○ Deleting documents after updating them
• ○ Inserting when no match exists
• ○ Updating only the first matched document
• ○ Sorting results before updating

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• ○ drop() collection method
• ○ deleteOne() single method
• ○ deleteMany() removal method
• ○ removeAll() legacy method

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• ○ Groups documents by a field
• ○ Sorts the result documents
• ○ Limits the number of results
• ○ Controls which fields are returned

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• ○ $and combining query clauses
• ○ $inc incrementing field values
• ○ $rename renaming field names
• ○ $or combining query clauses

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• ○ Returns a cursor over matches
• ○ Accepts filter and projection arguments
• ○ It modifies documents in place
• ○ It permanently locks the collection

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• ○ $bucket grouping pipeline stage
• ○ $graphLookup recursive join stage
• ○ $elemMatch matching array elements
• ○ $addToSet adding unique array values

Answer is in the explanation below.

Answer is in the explanation below.

Answer is in the explanation below.