As per the aggregation pipeline optimization concepts, if you have a $sort followed by a $match:
$match moves before $sort
$sort moves before $match
MongoDB does not do any movements by default and will use the order provided
Providing these parameters in any order does not impact the performance
Correct Answer : A
What is the minimum sensible number of voting nodes to a replica set?
Which index is used to index the content stored in arrays?
______ can be used to iterate the cursor of document results returned by db.collection.find()