Which of the following statements about DBN nodes in Huawei's hyper-converged database scenario is wrong?

Which of the following statements about DBN nodes in Huawei’s hyper-converged database scenario is wrong?

Which of the following statements about DBN nodes in Huawei’s hyper-converged database scenario is wrong?
A . Fusionsorage uses a fusion deployment mode. DBN nodes run VBS, MDC and OSD
B . The underlying operating system of the DBN node is a standard Linux system that is directly deployed on the physical server
C . Support Oracle DB, Microsoft SL Server, IBM DB2, SAP Sybase and other database software

Answer: A