Regarding the create upgrade task process, which of the following statement is wrong?

Regarding the create upgrade task process, which of the following statement is wrong?
A . The upgrade operator must use the "admin" level user for health check, otherwise some check items will fail to execute and reduce the check efficiency.
B . For gateway NEs, if you select the configuration item "Enforce the FTP/SFTP protocol for loading if the NE to be loaded is a gateway NE", you need to configure an FTP/SFTP server on the network management server to increase the loading speed.
C . "Force Parallel Activation". In this activation mode, all packets are activated in parallel, which will cause business interruption.
D . Select “Customize with package. The software added by the user is part of the package, that is, matching based on the board on the network element can increase the efficiency of the package".

Answer: A