Explanation
The data process describes the transformation of data in some way, either combining the data, reordering the data, converting the data, filtering the data, or other such activities.
Answer B is incorrect. An external entity is a source or destination of data. It is represented as a labeled rectangle.
Answer A is incorrect. Data flow identifies where data is being moved between a data process and an external entity, a data store or another data process.
Answer D is incorrect. Concatenation isn't a valid component of a data flow diagram so this choice is not valid.

Explanation
Using expert judgment is ideal to determine the optimal business analysis approach. Answer A is incorrect.
Even established business analyst can rely on expert judgment.
Answer C is incorrect. There's no proof presented that the expert will save time in the business analysis duties.
Answer B is incorrect. Henry, and business analysts in general, don't always need to use expert judgment to define the business analysis activities.

Explanation
Stakeholder Analysis involves identification of the stakeholders and classifying them based on their interest, influence, and involvement in the project. This enables the project manager to focus on the relationships necessary to ensure the success of the project by planning the communications properly.
Answer B is incorrect. Affinity Diagram is a method of group creativity technique to collect requirements which allows large numbers of ideas to be sorted into groups for review and analysis. This is generally used in Scope Management and is not applicable to this QUESTION.
Answer A and D are incorrect. RAM and Text-Oriented charts are the various formats of documenting the team member roles and responsibilities and are useful as tools in developing the Human Resource Plan. These are not applicable to this QUESTION.