单项选择题
A.There is a DARE lock in place
B.A PowerHA migration is in progress
C.Cluster services is not active on the other node
D.The other cluster node is running a different version of RSCT
单项选择题 An administrator believes that the Staging Configuration Directory （SCD） may be locked due to an error in aDARE event. Which of the following commands can the administrator run to check for the existence of locks？（）
单项选择题 An administrator has made several topology and resource group changes on one node in a running cluster.During verification and synchronization， using the "Emulate" option， many errors are reported. Theadministrator decided the best course of action was to roll back the changes. Prior to the changes beingmade， a cluster snapshot was taken. Which of the following actions will roll back the changes with the least disruption？（）
单项选择题 Aclusteradministratorwantstocreateasnapshotbackupofthecluster.Whichsmitmenucanbeusedtodothis？（）