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A business analyst (BA) has elicited the following requirement; "The solution must ensure the portal response times are under 2 seconds." What requirement classification schema does this requirement belong to?
The requirement classification schema that this requirement belongs to is nonfunctional requirements. Nonfunctional requirements are statements of conditions or restrictions on a solution or its components that affect its quality, performance, usability, reliability, security, etc. Nonfunctional requirements specify how well a solution should perform or behave.
The other options are incorrect because:
Option B is incorrect because stakeholder requirements are not a requirement classification schema, but a requirement type. Stakeholder requirements are statements of needs, expectations, preferences, or problems of stakeholders or an organization.
Option C is incorrect because transitional requirements are not a requirement classification schema, but a requirement type. Transitional requirements are statements of capabilities or conditions that enable a solution to transition from its current state to its desired future state.
Option D is incorrect because functional requirements are not a requirement classification schema, but a requirement type. Functional requirements are statements of features, functions, or behaviors of a solution or its components that enable it to provide value to stakeholders.
BABOK Guide v3, section 6.1: Specify and Model Requirements
CCBA Exam Questions, question 35