Which three approaches can you take?

Your company is in a highly regulated industry. One of your requirements is to ensure individual users have access only to the minimum amount of information required to do their jobs. You want to enforce this requirement with Google BigQuery.

Which three approaches can you take? (Choose three.)
A . Disable writes to certain tables.
B . Restrict access to tables by role.
C . Ensure that the data is encrypted at all times.
D . Restrict BigQuery API access to approved users.
E . Segregate data across multiple tables or databases.
F . Use Google Stackdriver Audit Logging to determine policy violations.

Answer: B,D,F