Which of the following provides only block-based storage and leaves file system concerns on the
client side?

A.
Storage area network

B.
Local area network

C.
Network attached storage

D.
Wide area storage

Explanation:

Storage area network (SAN) provides only block-based storage and leaves file system concerns on
the client side.

A storage area network (SAN) is an architecture to attach remote computer storage devices (such as
disk arrays, tape libraries, and optical jukeboxes) to servers in such a way that the devices appear as
locally attached to the operating system. SANs are generally used in large enterprises.
Answer option C is incorrect. Network attached storage provides both storage and file system.
Answer option B is incorrect. Local Area Network (LAN) is a network with high data transfer rate. In
this type of network, the computers are located in a campus and are connected to each other.
Answer option D is incorrect. There is no data storage type such as Wide area storage.
Reference: “http://en.wikipedia.org/wiki/Network-attached_storage”