Multiple choice technology

Which of the below storage uses Block I/O data movement between storage and server

  1. NAS

  2. SAN

  3. DAS

  4. JBOD
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

SAN (Storage Area Network) uses block-level I/O for data movement between storage and servers, treating storage as if it were locally attached to the server. NAS provides file-level access where the storage system manages the file system, not block-level I/O. DAS does use block I/O but SAN is the more precise answer for networked block storage.

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