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CSE MCQs :: MongoDB MCQs

MongoDB MCQs - MongoDB and noSQL Concepts
MongoDB MCQs - MongoDB CRUD Concepts and Operation
MongoDB MCQs - MongoDB Aggregation Concept, Mechanics
MongoDB MCQs - MongoDB Replication Concept, Process, Set
MongoDB MCQs - MongoDB Monitoring, Optimization Strategies
  1. MongoDB stores all documents in :
    2. A.
    tables
    B.
    collections
    C.
    rows
    D.
    All of the mentioned

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  2. In MongoDB, _________ operations modify the data of a single collection.
    3. A.
    CRUD
    B.
    GRID
    C.
    READ
    D.
    All of the mentioned

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  3. After starting the mongo shell, your session will use the ________ database by default.
    4. A.
    mongo
    B.
    master
    C.
    test
    D.
    primary

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  4. Which of the following method returns true if the cursor has documents ?
    5. A.
    hasMethod()
    B.
    hasNext()
    C.
    hasDoc()
    D.
    All of the mentioned

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  5. Which of the following method is called while accessing documents using the array index notation ?
    6. A.
    cur.toArray()
    B.
    cursor.toArray()
    C.
    doc.toArray()
    D.
    All of the mentioned

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  6. Which of the following method returns one document ?
    7. A.
    findOne()
    B.
    findOne1()
    C.
    selectOne()
    D.
    All of the mentioned

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  7. Which of the following is second argument to projection ?
    8. A.
    findOne()
    B.
    findOne1()
    C.
    selectOne()
    D.
    find()

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  8. Which of the following will display complete list of available cursor flags ?
    9. A.
    cursor.Option()
    B.
    cursor.addOption()
    C.
    cursor.addOptions()
    D.
    All of the mentioned

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  9. The ________ message is used to update a document in a collection.
    10. A.
    UPDATE
    B.
    OP_UPDATE
    C.
    OP_UPDATES
    D.
    All of the mentioned

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  10. The mongo shell and the MongoDB drivers use __________ as the default write concern.
    11. A.
    Nacknowledged
    B.
    Acknowledgement
    C.
    Acknowledged
    D.
    All of the mentioned

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