Which of the Following Is a Description of the WORM

Which of the following is a description of the WORM feature of OceanStor V3: (Multiple choice)

A) When the file is locked, the file protection time can be extended or shortened by manual operation
B) Locked file system WORM clock is greater than the file atime value, the file will be in an expired state
C) When the file is in an append state, after the legal clock of the WORM file system exceeds the file expiration time, the file is moved Moved to expired status
D) When the size of the file is 0 bytes, the lock state can be migrated to the additional state