An external storage unit that is self-contained and provides shared file-level access is referred to as:
A. Small Computer System Interface (SCSI).
B. Storage Area Network (SAN).
C. Network Attached Storage (NAS).
D. Direct Attached Storage (DAS).
Network-attached storage (NAS) is file-level computer data storage connected to a computer network
providing data access to a heterogeneous group of clients. NAS not only operates as a file server, but is
specialized for this task either by its hardware, software, or configuration of those elements. NAS is often
manufactured as a computer appliance a specialized computer built from the ground up for storing and
serving files rather than simply a general purpose computer being used for the role.