CompTIA Cloud+ Practice Test

Which of the following typically provides a FASTER access speed in a network storage implementation?

1. NFS

2. SAN

3. DAS

4. SATA

The correct answer is: DAS

In a network storage implementation, the option that typically provides faster access speed is Direct Attached Storage (DAS). DAS refers to storage that is directly connected to a server or a computer without a network in between. This direct connection minimizes latency and maximizes throughput because it does not involve any network protocols or devices that could introduce delay. Consequently, DAS can deliver high-speed data transfer rates and faster access to stored data because it operates at speeds that are determined primarily by the interfaces and technologies used, such as USB, SATA, or SCSI. In contrast, other options involve network protocols or additional layers of architecture that can introduce complexity and potentially slower access speeds. For example, Network File System (NFS) is a protocol that allows access to files over a network but is generally slower due to the overhead of network communication. Storage Area Networks (SAN) are designed for high-speed access, but they involve additional networking components that can add latency, although they are still faster than many other options in specific use cases. SATA (Serial ATA) is an interface standard for connecting drives but generally pertains to how drives are connected rather than being a standalone storage solution. Overall, the direct connection of DAS results in the least amount of latency and the highest potential data throughput