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Exam C100DEV Topic 1 Question 54 Discussion

Actual exam question for MongoDB's C100DEV exam
Question #: 54
Topic #: 1
We have the following schema for a movies collection: { _id: ObjectId, title: String, genres: Array, languages: Array, year: 32-bit integer } And the following index on the movies collection: { title: 1 } Which of the following queries will use the given index to perform the sorting stage?

Suggested Answer: B,C,D Vote an answer

db.movies.find( { genres: "Drama" } ).sort( { title: 1 } ) Yes, in this case the index will be used to retrieve the sorted documents and then it will filter the movies matching the genre. https://docs.mongodb.com/manual/indexes/

by Lawrence at Mar 18, 2026, 07:58 PM

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