You have the following index on the toys collection:
{
"manufacturer" : 1,
"name" : 1,
"date" : -1
}
Which of the following is able to use the index for the query? Check all that apply.

Below is a sample document of "orders" collection

Which of the following commands will return all the posts with number of likes greater than 100 and less than
200, both inclusive?

A collection and a document in MongoDB is equivalent to which of the SQL concepts respectively?

Which of the following command inside aggregate command is used in MongoDB aggregation to filter the documents to pass only the documents that match the specified condition(s) to the next pipeline stage.