Explanation
The stakeholder management strategy is generally not included in the stakeholder registry because it may contain sensitive information that should not be shared with project team members or certain other individuals that could see the stakeholder register. The stakeholder register is a project management document that contains a list of the stakeholders associated with the project. It assesses how they are involved in the project and identifies what role they play in the organization. The information in this document can be very perceptive and is meant for limited exchange only. It also contains relevant information about the stakeholders, such as their requirements, expectations, and influence on the project.
Answer D is incorrect. Stakeholder identification should be included in the stakeholder register.
Answer A is incorrect. Assessment information should be included in the stakeholder register.
Answer C is incorrect. Stakeholder classification should be included in the stakeholder register.

Explanation
The assessment of capability gaps is a business analysis task to identify new capabilities required in order to meet the business need.
Answer D is incorrect. This is the definition of the business goal.
Answer A is incorrect. This is the definition of a resource skill assessment which may be included as part of
the assessment of capability gaps.
Answer B is incorrect. This is a description of root cause analysis.

Reference:
BABOK v.3.0 - IIBA - A Guide to the Business Analysis Body of Knowledge - International Institute of Business Analysis (2015) (Page 37)

Explanation
Benchmarking does allow for the discovery of new approaches that have worked elsewhere.
Answer B is incorrect. Benchmarking can be time consuming.
Answer D is incorrect. Benchmarking can restrict new innovations, as the study is based on what's worked
elsewhere.
Answer C is incorrect. Benchmarking does require expertise by the person completing the study.