What is the main focus of the Bell-LaPadula security model?

A.
Accountability

B.
Integrity

C.
Confidentiality

D.
Availability

Explanation:
The Bell-LaPadula model was developed to ensure that secrets stay secret. Therefore, it provides and
addresses confidentiality only.
Incorrect Answers:
A: The main focus of the Bell- LaPadula security model is confidentiality, not accountability.
B: The main focus of the Bell- LaPadula security model is confidentiality, not integrity. The Biba model is
focused on Integrity.
D: The main focus of the Bell- LaPadula security model is confidentiality, not availability.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 369-373
https://en.wikipedia.org/wiki/Bell-La_Padula_model