You are preparing for a Zero Touch Installation (ZTI) of Windows 7 using Windows
Deployment Services (WDS) and System Center Configuration Manager 2007 R2. Your
network includes branch offices that are separated by firewalls. You need to ensure that the
necessary protocol is allowed through the firewalls to support the deployment. Which
protocol should you allow?

A.
TFTP

B.
FTP

C.
SFTP

D.
SSH