Explanation/Reference:
This is an example of a regulatory ranking as you're prioritizing the requirements based on the requirements that must be implemented based on the regulatory demands.
B is incorrect. Risk ranking is a prioritization of requirements based on their associated technical
risks.
C is incorrect. This is not a valid prioritization method.
A is incorrect. The business value ranking prioritizes requirements based on their cost-benefit
analysis.

Explanation/Reference:
Job shadowing is an elicitation process that is a part of job observation. In this process, the observer is required to keep an eye on those workers whose work routine is down and who are unable to explain their work. The observer has to understand their work process for better assessment of the modifications of the work required. The following are the approaches for this technique:
Passive/Invisible. In this approach, the observer does not ask questions from the user about his work while the user is working.
Active/Visible. In this approach, the observer does ask questions from the user about his work even when the user is working.

Explanation/Reference:
Visual learners are people that learn best by observing a model of the problem or visual aids to demonstrate the problem.
B is incorrect. Auditory learners describe people that learn best by oral and written
communications.
A is incorrect. Kinesthetic learners learn best by experiencing the topic, hands-on activities, and
walk-throughs of the identified topic.
C is incorrect. This is not a valid learning type.

Explanation/Reference:
When there are only few criteria involved, it's often easiest and most direct to focus on the differences of the solutions.
B is incorrect. The commonalities of the solutions won't expose the weaknesses, strengths, and
values between the solutions.
A is incorrect. The life cycle costs may be considered, but there are other elements that can be
considered too.
D is incorrect. The implementation cost of the solution is usually considered, but it's the business
value of the solutions that the business analyst should actually focus on.