Ch 13: Protection Flashcards
1
Q
What do rows represent in an access matrix ?
A
Subjects - typically users
2
Q
What question does Policy ask ?
A
WHAT needs to get done
3
Q
What question does Mechanism ask ?
A
HOW something needs to get done
4
Q
What does the ācā mean on a access matrix ?
A
domain is able to pass on its permissions to other domains
5
Q
What does the * mean on a access matrix ?
A
domain can modify the permissions of other users for that object and change access control settings for the object.
6
Q
What does each cell of an access matrix hold ?
A
the set of access rights that the subject has for the object.
7
Q
What do columns represent in an access matrix ?
A
Objects - Resources or entities(files, dirs) that need protection
