In a Media Application Scenario, Large Files Is an Important

In a media application scenario, large files is an important application feature. Huawei OceanStor 9000 can allocate different configurations according to different users. This avoids some of the unimportant data transition overhead, which of the following description of the quota is correct?

A) The types of quotas include capacity quota and file quota.
B) Quota methods include calculating quotas, soft quotas and mandatory quotas.
C) The system pre-allocates quotas for files before writing the file. When the user cancels the writing of the file being written, the system does not release a pre-allocated quota.
D) When the user continues to write data, the quota information has been used in the InfoAllocator interface real-time updates.