_________ is used to view statistics about the query plan for a given query
db.explain()
cursor.explain()
cursor.explainstats()
all of the mentioned
Correct Answer : B
With a receipt acknowledged write concern, the _________confirms that it received the write operation and applied the change to the in-memory view of data
_____________ is used to control mongod commits in the journal
To describe the message structure, a ________ like struct is used