Which of the Following Statements About the Simple File System

Which of the following statements about the simple file system of the N8500 clustered NAS storage systems is incorrect?

A) Data of a simple file system is stored in sequence on the data disks where the file system resides.
B) A simple file system reads and writes multiple subdisks simultaneously, providing higher performance than reading and writing a single disk.
C) The volume of a simple file system is formed by the subdisks of multiple data disks.
D) The simple file system is applicable to scenarios having no special performance or security requirements.