Rylie is a newly hired cybersecurity expert for a government agency

Rylie is a newly hired cybersecurity expert for a government agency. Rylie used to work in the private sector. She has discovered that, whereas private sector companies often had confusing hierarchies for data classification, the government's classifications are well known and standardized. As part of her training, she is researching data that requires special authorization beyond normal classification. What is this type of data called?

a) Compartementalized

b) Exclusive

c) Assured

d) Publice