单项选择题 When the clverify utility is run，verification checks use ODM data provided by the common communication infrastructure. This provides efficient access to configuration ODMs from the other nodes. The utility manages these files by storing the copies in various directories depending on the success or failure of the verification pass.  By default，this directory is "/var/hacmp/clverify/current/nodename/ if the ’current’ directory still exists when clverify stops running，this indicates which of the following？（）

单项选择题 Theuserbaseofathree-nodeclusterhasincreased.Inordertoaddclustereduserstoallnodes，whichofthefollowingstepsshouldbeperformed？（）

单项选择题 One service IP label and one volume group are assigned to a resource group in a cluster. An  Additional service IP label and volume group need to be added to the resource group.  How can this be done with the minimum disruption of the cluster？（）