Which activity should be used to run the backup automatically?

A customer has a Send Log they are using to track the email addresses that were sent to, date and time of the send, and the name of the email sent for reporting purposes. Per best practice, the customer stores 30 days of data in their Send Log and then archives the data into another data extension that holds data for one year.

Which activity should be used to run the backup automatically?
A . SQL Query
B . Import File
C . Filter
D . Data Extract

Answer: C