单选题During the process of fallover testing， a client/server database needs to be tested. On the AIX Server， start/stop/cleanup scripts and server application functionality have been tested. Before moving onto the next step of fallover testing，what action
题目
单选题
During the process of fallover testing， a client/server database needs to be tested. On the AIX Server， start/stop/cleanup scripts and server application functionality have been tested. Before moving onto the next step of fallover testing，what action must be completed？（）
A
Run who -a and validate that client connections are restored.
B
Verify that the client side application is functioning properly.
C
Check hacmp.out log file to validate that the application server started.
D
Verify that the application will successfully stop and restart on the fallover node.