单项选择题
A.Tune the topsvcs NIM settings
B.Tune the grpsvcs NIM settings
C.Activate the fast failure detection （FFD） feature
D.Activate the Gigabit fast failover feature on the physical adapters
单项选择题 Whentuninganetworkmodulewhatisthepurposeofthegraceperiod？（）
单项选择题 An administrator was notified that a resource group has failed over from the home node， Node1 to a standbynode， Node2 and that Node1 had been powered off. Upon restarting Node1 the administrator checked the AIXerror log and the cluster.log Which of the following is most likely the cause of the failover？（）
单项选择题 An administrator is notified that a resource group has failed over from the home node， Node1 to a standbynode， Node2 and that Node1 has been powered off. Upon restarting Node1 the administrator checks the AIXerror log and the cluster.log Which of the following is the most likely cause of the failure of Node1？（）