Why is Error Correcting Code (ECC) memory beneficial in Dell EMC PowerEdge servers?

Why is Error Correcting Code (ECC) memory beneficial in Dell EMC PowerEdge servers?
A . Provides a separate memory management scheme for memory operation
B . Creates redundancy by mirroring physically installed memory
C . Can present more memory than what is physically installed
D . Can repair errors without interrupting other server operations

Answer: D