Which VMware recommended action will let the Administra…

After reconfiguring VUM in the vCenter Server Appliance, a vSphere Administrator must restart the Update
Manager service.
Which VMware recommended action will let the Administrator accomplish this task?

A.
On the vSphere Web Client Home page, click System Configuration, then Nodes. Select vCenter Server
and, from the Actions menu, select Reboot.

B.
On the vSphere Web Client Home page, click System Configuration, then Services. Select VMware
vSphere Update Manager service, and from the Actions menu select Restart.

C.
On the vSphere Web Client Home page, click Update Manager. Select the Update Manager server and use
the Actions menu to restart it.

D.
Log in to the vCenter Server Appliance Management UI and reboot the VCSA.

Explanation:
https://pubs.vmware.com/vsphere-65/index.jsp?topic=%
2Fcom.vmware.vsphere.update_manager.doc%2FGUID-DCC3EABE-4973-48E5-8B7D-E53598F0E12A.html