单项选择题
A. Perform a ping client verification test.
B. Review the number of active application processes.
C. Perform successful reads and writes to the application.
D. Run netstat -an to verify client connections to the listening ports.
单项选择题 Whichofthefollowingmustberunningonanodefortheclstatutilitytoworkproperly？（）
单项选择题 Following an unsuccessful cluster fallover test， it is determined that the nfsrg1 resource group was the problem causing the cluster to run the config_too_long evetn. The nfsrg1 resource group contains 10 nfs filesystems that are cross-mounted to the other cluster node. Without modify8ing the time until warning parameters，what can be done to enhance NFS fallover performance？（）
单项选择题 AHACMP/XD：HAGeoclusterhasbeeninstalledwithfournodes，twonodesateachsite.TheclusterisprotectedfromsiteisolationbytheDBFSfacilityinHACMP/XD：HAGeo. Intheeventofasitefailure，whathappens？（）