CompTIA Exam SK0-005 Topic 1 Question 78 Discussion

Actual exam question for CompTIA's SK0-005 exam

Question #: 78
Topic #: 1

A storage administrator is configuring a new array to provide storage to a virtual cluster. The array has a built-in backup agent to allow data that is stored on the array to be backed up. The storage administrator wants the virtual cluster to use a file-based storage protocol so the backup agent can just back up the files that change and not the whole data store. Which of the following storage protocols should the administrator use?

AiSCSI

BFC

CFCoE

DNFS

Show Suggested Answer

Suggested Answer: D

Different storage protocols operate at different levels (file-based vs. block-based):

iSCSI (Internet Small Computer Systems Interface) is a block-level protocol, meaning that the storage appears as raw disk space to the operating system. Backups would require copying entire blocks, rather than specific files.

FC (Fibre Channel) is another block-level protocol used in high-performance SANs. It does not support file-based storage natively.

FCoE (Fibre Channel over Ethernet) extends FC over Ethernet but still functions as a block-based storage solution.

NFS (Network File System) is a file-based storage protocol, making it the best option. It allows direct access to files, which enables backup software to back up only modified files instead of the entire block device.

Since the administrator requires a file-based storage protocol to ensure efficient incremental backups, NFS is the correct choice.

by My at Jun 12, 2025, 12:28 PM

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Clay

19 days ago

I agree with Dottie, NFS would be the best choice for backing up only the files that change.

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Dottie

22 days ago

I think the storage administrator should use NFS for file-based storage protocol.

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