Which two are key factors that make a SAN (Storage Area Network) different from a NAS (Network Attached Storage)? (Select TWO)

Which two are key factors that make a SAN (Storage Area Network) different from a NAS (Network Attached Storage)? (Select TWO)

A.
A SAN (Storage Area Network) is generally less expensive.

B.
A SAN (Storage Area Network) has a simpler setup process, generally only requiring basic network setup and adding of users.

C.
A SAN (Storage Area Network) allows for loading of applications that run on the server.

D.
A SAN (Storage Area Network) does not use a proprietary or a slimmed down version of an operating system.