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Course: CIS 4360, Fall 2011School: Fayetteville State...
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4360 CIS Introduction to Computer Security QUIZ 12, Fall 2010 (5 minutes only) answers This quiz concerns Access Control models. 1. The Bell-LaPadula model employs access control matrices to model discretionary access policies of the Orange Book. 2. An access control matrix is an array: (a) Its rows are indexed by the subjects s (b) Its columns are indexed by the objects o (c) What is in its (s; o)-th entry? the...
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4360 CIS Introduction to Computer Security
QUIZ 12, Fall 2010 (5 minutes only) answers
This quiz concerns Access Control models.
1. The Bell-LaPadula model employs access control matrices to model discretionary
access policies of the Orange Book.
2. An access control matrix is an array:
(a) Its rows are indexed by the subjects s
(b) Its columns are indexed by the objects o
(c) What is in its (s; o)-th entry? the access mode(s) for object s by subject o.
3. the In context of Computer Security what does MAC stand for? Mandatory Access Control.
4. In the context of Computer Security what does DAC stand for? Discretionary Access Control.
5. The security levels set L can be linear. What are the 4 security levels in the Orange Book called?
Answer:
Top Secret
Secret
Condential
Unclassied
6. The security levels set L can also have a partially ordered structure. What is it called?
Answer: A Lattice
Mike Burmester
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