Which field is required of all MongoDB documents? Options: A . &nbsp_id B . &nbsp_name C . &nbspObjectId D . &nbspmongoDB is schema-less so no field is required

Which field is required of all MongoDB documents?

Question

Which field is required of all MongoDB documents?

Options:

A . _id

B . _name

C . ObjectId

D . mongoDB is schema-less so no field is required

Answer: Option A

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