Cyclic redundancy checks, structured
walkthroughs, and hash totals are examples of detective accuracy
controls. The other answers do not apply by the definition of the
types of controls.

If implemented and enforced properly, the Biba model prevents data from any integrity level from flowing to a higher integrity level. - Shon Harris All-in-one CISSP Certification Guide pg 244

The correct answer is "Least privilege". Least privilege, in the database context, requires that subjects be granted the most restricted set of access privileges to the data in the database that are consistent with the performance of their tasks.
Separation of duties, assigns parts of security-sensitive tasks to several individuals.
Entity integrity requires that each row in the relation table must have a non-NULL attribute. Relational integrity, answer d, refers to the requirement that for any foreign key attribute, the referenced relation must have the same value for its primary key.

The correct answer is "Trivial File Transfer Protocol". The other acronyms do not exist.