Which of the following is NOT a concern with using big data?

1. Correct Answer
   Incorrect Answer
   a

   Keeping data secure and private

2. Correct Answer
   Incorrect Answer
   b

   Transmitting data over secure websites

3. Correct Answer
   Incorrect Answer
   c

   Understanding how user data is shared with third parties

4. Correct Answer
   Incorrect Answer
   d

   Processing large amounts of data in an efficient way