Which of the following descriptions about FusionCompute memory reuse is incorrect?

Which of the following descriptions about FusionCompute memory reuse is incorrect?
A . The FusionCompute system turns on the memory reuse technology by default, and can only be turned off using the command line in the background.
B . Memory replacement technology is to dump the data that has not been accessed for a long time in the memory to the hard disk, and then read it when needed.
C . Memory sharing allows multiple virtual machines to share memory pages with the same data content.
D . Memory reuse technology can reduce hardware procurement costs.

Answer: A