单项选择题
A. Turn off the IP core switch connecting the two nodes.
B. Issue the command "stopsrc -g inetd" on the node that has the resource group.
C. Issue the command "sh /etc/rc.tcpclean" on the node that has the resource group.
D. Simultaneously unplug all network cables from the node that has the resource group.
单项选择题 Followingasuccessfulclusterfallover，clstatreturnsnostatus，thesnmpinfocommandhangs.AllClusterresourcesappeartobeactive.Whatshouldbedonetoresolvethisproblem？（）
单项选择题 Aclusterindicatesthataremotesitehasfailed.WhatfacilitiesexistinHACMP/XD：HAGeotoensurethatthefailureisnotjustaTCP/IPcommunicationfailure？（）
单项选择题 Aclusteradministratorhasdefinedacustomerrornotificationmethodthatwillemailandadministratorwhenatemperrorisdetectedonanindividualhdisk.Whatmethodshouldbeusedtotestthisfunctionality？（）