Answer:
b. Redundant hardware and data backup systems
Explanation:
Data privacy is important where a company collects, processes and stores personal information.In the US-EU have laid down regulations to ensure data privacy is maintained. It is a requirement before collection of personal data, to clearly state why the data is being collected and how it will be used.The individuals whose data is being processed have a right to access their data at no cost during processing . Of great importance is the security of the data so as to maintain its integrity, Companies are required to take steps in protecting the data from unauthorized access, processing and accidental loss.redundant hardware and data backup system are used by companies as a fail-safe mechanism in data protection but they are not a requirement in data privacy, although they enhance it.