Regarding big data application scenarios, which of the following statement is correct?

Regarding big data application scenarios, which of the following statement is correct?
A . NUMA architecture is more suitable for OLTP transaction processing environment. When used in data warehouse environment, a large amount of complex data processing will inevitably lead to a large amount of data interaction, which will greatly reduce the CPU.
B . The OMPP system can share resources, so it shows advantages in decision support and data mining.
C . Because the MPP system needs to transmit information between different processing units, its efficiency is slightly lower than that of the SPP.
D . None of the above

Answer: A