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Howmany byte counter in BSON is starting with a random value ?
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In our posts collection, which command can be used to find all the posts whose author names begin lie between \"A\" and \"C\" in dictionary order?
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mongoimport command is used to:
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Which of the following methods can be used on a cursor object?
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In a sharded replica set environment, w defines the level and kind of write concern. Which of the following values of w specifies to return success only after a majority of voting members have acknowledged?
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Which is the correct order (lowest to highest) in which MongoDB compares the BSON types?
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Which of the following methods can be used in MongoDB for relation documents?
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Which of the following collections are used by MongoDB to store GridFS data?
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Which option should be used with findAndModify() command to return the modified document instead of the pre-modification document?
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Consider that the posts collection contains an array called ratings which contains ratings given to the post by various users in the following format:
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Which index is used to index the content stored in arrays?
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The application, that communicates with application MongoDB by way of a client library, is called _________________
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which field is always the first field in the document.?
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