what configuration change must be made?

To change an existing ClusterXL cluster object from Multicast to Unicast mode, what configuration change must be made?

A.
Change the cluster mode to Unicast on the cluster object Reinstall the Security Policy

B.
Reset Secure Internal Communications (SIC) on the clustermember objects. Reinstall the Security Policy

C.
Run cpstop and cpstart, to reenable High Availability on both objects. Select Pivot mode in cpconfig

D.
Change the cluster mode to Unicast on the clustermember object

E.
Switch the internal network’s default Security Gateway to the pivot machine’s IP address