What can happen when a prematurely broken FTP session is reestablished with an IIS 5 FTP server?

a. The file being transferred during the break will need to be transferred from the beginning.

b. All files will need to start their transfer session from the beginning.

c. It resumes the session where it left off, as long as the FTP client is capable of doing so.

d. It resumes the session where it left off, regardless of the FTP client.