Which three statements about block-level storage are correct? (Choose three.)
A. It is less expensive and simple to implement.
B. Block-level storage systems are very popular with SAN.
C. It can be treated as an independent disk drive and is controlled by external Server OS.
D. Each block can be controlled like an individual hard drive.
E. Network attached storage systems usually depend on this file level storage.
F. This level storage is inexpensive to be maintained, when it is compared to its counterpart.
