Which remote servers or file systems are available for the update?

An administrator needs to update an HMC from V7 P7.3 to V7 P7.5 and plans to use a remote
server to install the new HMC code.
Which remote servers or file systems are available for the update?

A.
NIM, NFS

B.
FTP1, NFS

C.
TFTP, FTP

D.
HTTP, NIM