Using the Backup Target functionality in SmartProvisioning, what targets are available?

Using the Backup Target functionality in SmartProvisioning, what targets are available?

i) FTP

ii) TFTP

iii) SFTP

iv) SCP

v) Locally

A.
i

B.
i, ii, iv

C.
ii, iv, v

D.
i, ii, iii, iv