Due to their default behavior, Capped Collections are ideal for storing:

When a Capped Collection becomes full, and a new document is added:

"write concern" allows an application to:

A Priority 0 or "passive" replica member:

"read preference" affects how an application:

All writes in MongoDB Must go the primary

Assuming you have customers collection with a firstName and lastName field, which is the correct MongoDB shell command to create an index on lastName, then firstName both ascending?

How do you create a text index?

Which query bypasses the first 5 customers and returns the next 10?

To restrict the number of records coming back from a query, which command should you use?

What is the purpose of an arbiter in a replica set?