MongoDB Developer Associate Practice Questions - MongoDB Associate Developer Certification Exam

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What does the following aggregation pipeline return? db.sales.aggregate([ { $match: { status: 'completed' } }, { $group: { _id: '$region', total: { $sum: '$amount' } } } ])

The total sales amount grouped by region for completed sales The count of completed sales documents grouped by region All completed sales documents sorted by region The average sales amount per region for all sales regardless of status

Correct Answer:

The total sales amount grouped by region for completed sales

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