Answer:Option A data
Step-by-step explanation:
The e commerce business concerns are to protect the data. When the accounting firm needs to transfer the data between offices there are threats for data being modified or altered. To avoid this data integrity method is adopted by the firms.
Data integrity provides security to the data that is transferred to be correct and consistent. Data integrity also assures accuracy of the data for the entire life cycle of the data. It can also protect from improper maintenance of data.