Regarding the processing process of file overwhelming, which of the following statements is correct?

Regarding the processing process of file overwhelming, which of the following statements is correct?
A . The file filtering module will compare the application type, file type, and transmission direction of the file identified by the previous module with the file filtering rules configured by the administrator.
Then the lookup table performs matching from top to bottom.
B. If all the parameters of Wenzhu can match all file filtering rules, then the module will execute the action of this file filtering rule.
C. There are two types of actions: warning and blocking.
D. If the file type is a compressed file, then after the file filtering check, the female file will be sent to the file decompression module for decompression and decompression.
Press out the original file. If the decompression fails, the file will not be re-filed.

Answer: B