Installation of CAS system through HDM (or ilo), which statement is wrong?

Installation of CAS system through HDM (or ilo), which statement is wrong?
A . CVM needs to be installed on the management server, but do not install CVM on the business server.
B . The interface address configured during the installation process is the business network port address.
C . After the installation is complete, you need to confirm that the ISO file has been disconnected from the image file selection in the virtual drivers menu.
D . There is a trial period after CAS installation is completed. It is recommended to register for a formal license within this period.

Answer: B