Which method does openPDS use to protect user privacy of GPS records on a mobile device?
- requiring authentication to be completed first
- encrypting the communication from data to the app
- providing answers to specific queries instead of raw data
- removing identifiable personal information before sending data to the app
Explanation: Using the SafeAnswers framework, openPDS provides only answers to specific queries and no raw data is sent. The calculation for the answer is done within the personal data store (PDS) of the user.
Exam with this question: Big data & Analytics Chapter 1 Quiz Answers – Data and the Internet of Things
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