UItraVR supports centralized and distributed deployment. Which of the following statements about centralized and distributed deployment is wrong?

A centralized deployment scenario, UltraVR server is deployed at the production site and disaster recovery site

B. Centralized deployment scenario, UltraVR server is deployed at the disaster recovery site

C In the distributed deployment scenario, the UltraVR server is deployed at the disaster recovery site

D. In the distributed deployment scenario, the UtraV monthly server is deployed on the production site and the disaster recovery site