What happens to a Replica set oplog if it runs out of memory?

MongoDB ships with a variety of files. Which file runs the MongoDB shell?

From the MongoDB shell, how do you execute a JavaScript file named list.js?

Which MongoDB shell query will sort the customer's collection by name descending?

Suppose you are using the mongoimport command to import personnel data and there is a unique index on the email field. What happens when there are duplicate emails in the import?

You have a collection with millions of documents. Each time you attempt to sort. MongoDB runs out of memory. What might help?

Which of the following terms describe MongoDB?

How can you optimize document storage?

The interactive "mongo" shell interface is based on:

Which of the following is syntactically correct for searching the "posts" collection for a post with the title of "Big News Story"?

Which of the following would you use to query an inventory collection to get all items of type "food" with price less than $34?