Final answer:
The McCumber Cube does not include 'information at'. (option d).
The Cube is a framework that addresses various elements of information assurance, specifically focusing on the relationship between confidentiality, integrity, availability, and other factors that affect information security.
Step-by-step explanation:
The McCumber Cube is a model used to guide the systematic examination of information assurance (IA).
According to the model, each axis represents different components critical to IA: confidentiality, integrity, and availability are on one axis; storage, processing, and transmission are on another; and policy, education and training, and technology comprise the third axis.
Given the options:
- Factors: Refers to various elements that need to be considered in information security, which the cube does cover.
- Authentication: It's part of ensuring integrity and is considered within the McCumber Cube.
- Integrity: Clearly part of the IA concepts that McCumber Cube represents.
The answer is d). Information at which is not related to the McCumber Cube, which deals with well-defined concepts such as integrity, confidentiality, and availability and their interrelations with technology, policy, and human factors.