You have a collection of thousands of students. You’d like to return the second set of 20 documents from the sorted collection. What is the proper order in which to apply the operations?

 db.customers.add({name: “Bob”})  db.customers.save({name: “Bob”})  db.customers.create({name: “Bob”})  db.customers.new({name: “Bob”})[...]

 db.citizens.select(‘WHERE age >= 21’)  db.citizens.where(‘age >= 21’)  db.citizens.find(‘WHERE age >= 21’)  db.citizens.find({age: {$gte: 21}})[...]

 db.persons.find().sort({lastName: -1}}  db.persons.find().sort({lastName: 1}}  db.persons.find().sort({lastName: ascending}}  db.persons.find().sort({lastName: $asc}}[...]