MongoDB Questions and Answers – BSON

This set of MongoDB Multiple Choice Questions & Answers (MCQs) focuses on “BSON”.

1. _________ is a binary serialization format used to store documents and make remote procedure calls in MongoDB.
a) BSON
b) GridFS
c) JSON
d) None of the mentioned
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2. Point out the correct statement.
a) ObjectIds are small, likely unique, fast to generate, and ordered
b) ObjectIds are large, likely unique, and ordered
c) ObjectIds values consists of 18-byte
d) All of the mentioned
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3. Which of the following data type is depreciated?
a) Double
b) String
c) Object
d) Undefined
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4. Each data type has a corresponding number that can be used with the _______ operator to query documents by BSON type.
a) $type
b) $server
c) $agent
d) None of the mentioned
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5. Point out the wrong statement.
a) BSON Date is a 32-bit integer that represents the number of milliseconds
b) The BSON timestamp type is for internal MongoDB use
c) If you need to query the database for exact, mathematically valid matches, use Ambiguity Precision
d) None of the mentioned
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6. There is _________ byte counter in BSON, starting with a random value.
a) 2
b) 3
c) 4
d) None of the mentioned
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7. In the mongo shell, you can access the creation time of the ObjectId, using the ______ method.
a) getTime()
b) getTimestamp()
c) Timestamp()
d) None of the mentioned
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Sanfoundry Global Education & Learning Series – MongoDB.

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