Which protocol is used to present block storage to servers from NetApp?

Study for the NetApp Certified Technology Associate NS0-002 Exam. With detailed flashcards and multiple choice questions, including hints and explanations, you'll be well-prepared to ace your exam!

Multiple Choice

Which protocol is used to present block storage to servers from NetApp?

Explanation:
Block storage is exposed to servers as raw disks (LUNs) rather than as files. iSCSI is the protocol that carries SCSI commands over IP networks, allowing a NetApp controller to present these LUNs to servers as block devices. Once connected, the operating system can partition, format, and mount the disk just like a local drive. NFS and SMB, by contrast, are file access protocols that present files and folders, not raw blocks, so they don’t provide block-level access. Fibre Channel is another block-storage pathway but uses a separate SAN fabric; in many NetApp setups, iSCSI is the go-to IP-based method for presenting block storage over Ethernet.

Block storage is exposed to servers as raw disks (LUNs) rather than as files. iSCSI is the protocol that carries SCSI commands over IP networks, allowing a NetApp controller to present these LUNs to servers as block devices. Once connected, the operating system can partition, format, and mount the disk just like a local drive. NFS and SMB, by contrast, are file access protocols that present files and folders, not raw blocks, so they don’t provide block-level access. Fibre Channel is another block-storage pathway but uses a separate SAN fabric; in many NetApp setups, iSCSI is the go-to IP-based method for presenting block storage over Ethernet.

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