In the access control matrix, the rows are:

A.
Capability lists.

B.
Tuples.

C.
Access Control Lists (ACLs).

D.
Domains.

Explanation:
The correct answer is Capability lists.
* Answer “Access Control Lists (ACLs)” is incorrect because the access
control list is not a row in the access control matrix.
* Answer Tuples is incorrect because a tuple is a row in the table of a relational database.
* Answer Domains is incorrect because a domain is the set of allowable values a column or
attribute can take in a relational database.