What is a storage array?

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What is a storage array?

A. A system that manages the network functions and carries the data traffic from host to storage.
B. A system that handles the interconnection of hosts to disks drives and allows hosts to directly access the disks and use it as local drives.
C. A system that has the management software that can provide access to its sets of hard drives or tape libraries for the purpose of data access and storage.
D. A system that handles the communication of data from end users to its storage location and provide confirmation on successful storage.