The HMC software has just been upgraded remotely via the WebSM client. It now needs to be rebooted to make the update active. How can this be accomplished?（）

A.Use ssh to connect to the HMC and reboot

B.The upgrade will display complete and ask you to reboot

C.Select shutdown in the Management section of the WebSM client

D.Once logged out of the WebSM client it will ask to logoff, shutdown or reboot. Select reboot.