String expressions, with the exception of ________ only have a well-defined behavior for strings of ASCII characters.

MongoDB supports the execution of JavaScript code for certain server-side operations like:

Which of the following is used to display the replica set configuration object ?

Which of the field is reserved for use as a primary key ?

________ 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.