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MongoDB MCQs

Which of the following is correct for _id in MongoDB?

_id: ObjectId(4 bytes timestamp, 3 bytes machine id, 2 bytes process id, 3 bytes incrementer)

_id: ObjectId(3 bytes machine id, 2 bytes process id, 3 bytes incrementer, 4 bytes timestamp)

_id: ObjectId(2 bytes process id, 3 bytes incrementer, 4 bytes timestamp, 3 bytes machine id)

_id: ObjectId(4 bytes timestamp, 3 bytes machine id, 3 bytes incrementer, 2 bytes process id)

None of the Above

Answer

Correct Answer: _id: ObjectId(4 bytes timestamp, 3 bytes machine id, 2 bytes process id, 3 bytes incrementer)

Explanation:

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