In order to test ClusterXL failovers which command would you use on one of the ClusterXL nodes to in

In order to test ClusterXL failovers which command would you use on one of the ClusterXL nodes to initiate a failover?

A. clusterXL_admin down -p

B. cluster XL_admin up -p
C. cphaprob -d TEST -s ok register
D. cphaprob -d TEST -s problem unregister

Reference: https://sc1.checkpoint.com/documents/R76/CP_R76_ClusterXL_AdminGuide/7298.htm#o97358