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Free PDF MongoDB - Valid Interactive C100DEV EBook

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The MongoDB C100DEV exam is comprised of 60 multiple-choice questions, designed to evaluate the candidate's knowledge of the concepts, functionality, and syntax necessary to create effective database applications using MongoDB. The questions range from basic to advanced, and the exam is broken down into six different sections. These sections include the MongoDB Basics, CRUD Operations, Performance, Aggregation, Indexing, and Data Modeling. Each section covers a different aspect of database development using MongoDB and requires a specific level of knowledge to complete successfully.

MongoDB C100DEV Certification Exam is a rigorous, performance-based exam that tests your ability to design, build, and deploy MongoDB applications. C100DEV exam is conducted online and consists of multiple-choice questions, practical exercises, and coding challenges. C100DEV exam is designed to assess your ability to work with MongoDB in real-world situations and to demonstrate your expertise in using the MongoDB platform.

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Interactive C100DEV EBook | High-quality MongoDB C100DEV Test Preparation: MongoDB Certified Developer Associate Exam

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MongoDB C100DEV exam is a multiple-choice exam that consists of 60 questions. C100DEV exam is available online and can be taken from anywhere in the world. Candidates have 90 minutes to complete the exam, and they must achieve a score of at least 65% to pass. C100DEV Exam Fee is $150 USD, and candidates can retake the exam up to three times within a 12-month period if they do not pass on their first attempt.

MongoDB Certified Developer Associate Exam Sample Questions (Q245-Q250):

NEW QUESTION # 245
Suppose we have a shipwrecks collection with the following document structure: { _id: ObjectId("578f6fa2df35c7fbdbaed8ce"), feature_type: 'Wrecks - Visible', watlev: 'always dry', coordinates: [ -79.9469681, 9.3729954 ] } You ran the command below: db.shipwrecks.getIndexes() And you got the following output: [ { v: 2, key: { _id: 1 }, name: '_id_' }, { v: 2, key: { coordinates: '2dsphere' }, name: 'coordinates_2dsphere', '2dsphereIndexVersion': 3 } ] How can you remove the geospatial index on the coordinates field?

• A. db.shipwrecks.dropIndex('coordinates_2dsphere')
• B. db.shipwrecks.dropIndex('_id_')
• C. db.shipwrecks.dropCollection('coordinates_2dsphere')

Answer: A

Explanation:
https://docs.mongodb.com/manual/core/2dsphere/

NEW QUESTION # 246
Suppose you have a products collection with an index: { product_category: 1 } For which of the following queries can MongoDB look at only a subset of the index entries, rather than all of the index entries?

• A. db.products.find( { product_category: /S./ } )
• B. db.products.find( { product_category: /