What is called the type of access control where there are pairs of elements that have the least upper bound of values and greatest lower bound of values?

What is called the type of access control where there are pairs of elements that have the least
upper bound of values and greatest lower bound of values?

A.
Mandatory model

B.
Discretionary model

C.
Lattice model

D.
Rule model

Explanation:
Lattice-based access control provides an upper bound and lower bound of access
capabilities for every subject and object relationship.
Pg 156 Shon Harris All-In-One CISSP Certification Exam Guide