Kizspy | Question: 42 (Choose 1 answer)
In implementing ERP system, which of the following is an essential activity for achieving a fault tolerant
system?
A. Automatically recording the history, such as the change information of the database, during the system operation in order to perform cause analysis and recovery when a failure occurs in the system
B. Designing simple operations in which operational errors do not occur easily, or designing an operation in such a way that even if an operational error occurs, it does not result in a fatal error
C. Providing redundancy for a system configuration to minimize the effect of a component failure so that the processing can be continued without any effect on the overall system
D. Taking a data backup periodically so that after the occurrence of a failure the state prior to the failure can be restored promptly in an alternate system environment