The Three Mainstream Storage Forms Are as Follows: 1)SAN Storage

question 24

Multiple Choice

The three mainstream storage forms are as follows: 1) SAN storage that provides block resources; 2) NAS storage that provides file system resources;3) object-based storage (OBS) . SAN storage and NAS storage are traditional storage forms. Which of the following statements about the characteristics of the three storage forms are correct? (Select three.)

• A) In traditional storage forms, disks are partitioned, file systems record file structures based on a tree relationship, and metadata is used to identify the use of blocks.
• B) Objects are the basic units of OBS. Each object is a composite of data and data property sets.
• C) In the OBS mechanism, data and metadata are stored and managed in a distributed manner.
• D) OBS is typically oriented to structured data applications.