单选题The IP subsystem fallover behavior of a two-node cluster is being testing in a large client organization. One of the tests is to simulate a network_down event and verify that HACMP movesthe single resource group to the standby node. What is the best
题目
单选题
The IP subsystem fallover behavior of a two-node cluster is being testing in a large client organization. One of the tests is to simulate a network_down event and verify that HACMP movesthe single resource group to the standby node. What is the best way to simulate a network down condition？（）
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.