A Cisco TelePresence VCS displays this alarm: "Root password is set to default." How can this security warning be addressed?

A.	Use the Cisco TelePresence VCS web user interface, choose Administration > User Settings, and change the root password.
B.	Use SSH to log in to the Cisco TelePresence VCS as Administrator and issue the command xconfig root set passwd.
C.	Use SSH to log in to the Cisco TelePresence VCS as Root, issue the command set password, and enter the new password when prompted.
D.	Use SSH to log in to the Cisco TelePresence VCS as Root, issue the command passwd, and enter the new password when prompted.
E.	Use the Cisco TelePresence VCS web user interface, choose Administration > System Settings, and change the root password.