Regarding the process of file filtering, which of the following statements is wrong?
A . After the file extraction fails, the file will still be filtered.
B . The application identification module can identify the type of application hosting the file.
C . Protocol decoding is responsible for parsing the file data and file transfer directions in the data stream.
D . The file type identification module is responsible for identifying the real type of the file and the extension of the file based on the file data
Answer: A