In a Huawei disaster preparedness plan using production site deploymentwith an oracle RAC cluster, to ensure that the disaster recovery database provides normal service should the production site fail, which of the following statements is correct?

In a Huawei disaster preparedness plan using production site deploymentwith an oracle RAC cluster, to ensure that the disaster recovery database provides normal service should the production site fail, which of the following statements is correct?
A . Disaster recovery end must be deployed, oracle rac cluster can not deploy oracle single node.
B . Oracle RAC grid production side of the file must be copied to the disaster recovery side.
C . Unable to copy the production side of the FRA file will be able to guarantee the normal provision of services at the northern end.
D . Production end of the oracle data files and log files can not be placed in the same consistency group.

Answer: C