Which term describes a high-speed storage network that provides access to consolidated block-level data?

• A. Storage Area Network
• B. Network Attached Storage
• C. Direct Attached Storage
• D. Redundant Array of Independent Disks

Answer: (A)

The main idea here is a storage network that gives servers access to raw storage blocks over a dedicated, high-speed fabric. A Storage Area Network is built to connect multiple servers to a centralized pool of storage devices, exposing storage at the block level so each server can use LUNs as if the disks were local. This block-level access is ideal for workloads that require fine-grained control and high performance, such as databases and virtualization, and it relies on fast interconnects like Fibre Channel or iSCSI over Ethernet. In contrast, file-level access over a network is typical of NAS, while Direct Attached Storage stays tied to a single host, and RAID is about how disks are organized for redundancy or speed rather than describing a network type.