Explanation
Code of account identifier is not a valid selection. The code of accounts is a numbering system used in WBS to identify each element and work packages. The correct elements to include in the data dictionary are names, aliases, values and meanings, and description.
Answer C is incorrect. This is a valid element to include in the data dictionary.
Answer B is incorrect. This is a valid element to include in the data dictionary.
Answer A is incorrect. This is a valid element to include in the data dictionary.

Explanation/Reference:
There is not a relationship type called linked. There are five relationship types among requirements.
necessity, effort, subset, cover, and value.
B is incorrect. Necessity is a relationship type that describes the linkage between requirements
based on the implementation of one requirement in order to add the second requirement.
D is incorrect. The subset relationship type describes the decomposition of one requirement to
more specific requirements.
C is incorrect. The cover relationship among requirements describes the top-level requirement of
a decomposed requirement.

Explanation/Reference:
A business case is what the business analyst can create to justify the additional expense for the resources in order to gain more business value in the delivery. For example, adding more labor may generate costs, but the delivery may happen faster.
D is incorrect. Benefits-cost ratio may be part of the business case, but as a standalone factor,
this isn't correct.
B is incorrect. Cost analysis will be part of the business case, but not on its own.
C is incorrect. Risk assessment with positive risk analysis isn't applicable to this scenario.