Which of the following is a storage system that can be connected to multiple servers through an iSCSI connection?
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A. B. C. D.D.
The correct answer is D. SAN.
A Storage Area Network (SAN) is a high-speed network that provides block-level access to data storage. It is designed to provide shared access to storage devices such as disk arrays, tape libraries, and optical jukeboxes. A SAN is typically composed of a fabric of interconnected switches and storage devices that allow multiple servers to access the same storage devices at the same time.
iSCSI is a protocol used to send SCSI commands over a network. This allows a server to access storage devices over an Ethernet network rather than requiring a direct connection. iSCSI can be used to connect servers to storage devices on a SAN.
JBOD (Just a Bunch Of Disks) is a storage system that connects a number of disks together without providing any RAID functionality. It is typically used for low-cost storage solutions where redundancy and high availability are not a concern.
DAS (Direct Attached Storage) is a storage system that is directly connected to a server or workstation. This type of storage is typically used in small-scale environments where the number of servers is limited.
NAS (Network Attached Storage) is a storage system that provides file-level access to data storage. It is typically used in small-scale environments where file sharing is required.
In summary, a SAN is a storage system that can be connected to multiple servers through an iSCSI connection. It provides block-level access to data storage and is designed for high availability and performance.