How is data written to the advanced file type device?

An EMC NetWorker administrator configures an advanced file type device, setting the device target sessions to two, and max sessions to four.

How is data written to the advanced file type device?
A . Each save set is written to a separate file.
B . Each file written by the storage node contains up to four save sets.
C . Four backup jobs will be multiplexed for every two files written to the device.
D . Two save sets will be stored in each file.

Answer: A