CAP · Question #80
Which of the following is an Information Assurance (IA) model that protects and defends information and information systems by ensuring their availability, integrity, authentication, confidentiality,
The correct answer is D. Five Pillars model. The Five Pillars of Information Assurance is a DoD-originated model that defines IA through five core properties: Availability, Integrity, Authentication, Confidentiality, and Non-Repudiation (AIACN). It is specifically designed around defending information systems and is the off
Question
Which of the following is an Information Assurance (IA) model that protects and defends information and information systems by ensuring their availability, integrity, authentication, confidentiality, and non-repudiation?
Options
- AParkerian Hexad
- BCapability Maturity Model (CMM)
- CClassic information security model
- DFive Pillars model
How the community answered
(53 responses)- A2% (1)
- B4% (2)
- C8% (4)
- D87% (46)
Explanation
The Five Pillars of Information Assurance is a DoD-originated model that defines IA through five core properties: Availability, Integrity, Authentication, Confidentiality, and Non-Repudiation (AIACN). It is specifically designed around defending information systems and is the official DoD framework for IA. The Classic (CIA) model only covers Confidentiality, Integrity, and Availability - three pillars. The Parkerian Hexad extends CIA with Possession, Authenticity, and Utility - six properties, not five. The Capability Maturity Model (CMM) is a process improvement framework, not an IA model.
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