Exam C100DEV Topic 1 Question 29 Discussion

Actual exam question for MongoDB's C100DEV exam
Question #: 29
Topic #: 1

Suppose you have a movies collection with the following document structure: { _id: ObjectId("573a1390f29313caabcd60e4"), title: 'The Immigrant', fullplot: "Charlie is on his way to the USA. He wins in a card game, puts the money in Edna's bag (she and her sick mother have been robbed of everything). When he retrieves a little for himself he is accused of being a thief. Edna clears his name. Later, broke, Charlie finds a coin and goes into a restaurant." } You want to sort result set by a relevance score computed by MongoDB in text search query and extract only three documents with the highest score. Which query do you need to use?

A. db.movies.find( { $text: { $search: 'spaceship' } }, { score: { $meta: 'textScore' } }, ).sort( { score: { $meta: 'textScore' } } ) B. db.movies.find( { $text: { $search: 'spaceship' } }, { score: { $meta: 'textScore' } }, ).sort( { score: { $meta: 'textScore' } } ).limit(3) C. db.movies.find( {}, { score: { $meta: 'textScore' } }, ).sort( { score: { $meta: 'textScore' } } ).limit(3)

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