A. _id
B. _uid
C. _uuid
D. All of the mentioned
________ subtracts two dates to return the difference in milliseconds
Object_Id is similar to _________ key in Relational Databases
In the mongo shell, you can access the creation time of the ObjectId, using the ______ method..
_____________ is used to initiate relica member set.
To generate pseudo-random data to use for a keyfile, issue the following __________ command.
GridFS uses a _________ index on the chunks collection for the files_id and n fields.
Which of the following query is used to generate a new ObjectId, use the ObjectId() constructor with no argument
If you create the user administrator before enabling access control, MongoDB disables the ________ exception.
If you use the localhost exception when deploying a new MongoDB system, the first user you create must be in the ________ database.
Point out the wrong statement :