A User Is Unable to Save an Image File to the Home

Multiple Choice

A user is unable to save an image file to the home directory on a server. The server technician checks the disk space and ACL on the user's home directory and finds that the user has enough space and required access to write to the directory. Which of the following is the MOST likely reason why the user is unable to save the file?

A) The user is attempting to save a file with a prohibited file extension.
B) There are too many open files on the server.
C) The user does not have permission to save files to the server.
D) The hard drive containing the user's home directory is failing.