volume_mute

You are reviewing the DFD below. You notice that Process 2.1 receives two data flows from external entities but has no outgoing data flows to other processes or data stores. According to DFD best practices and BABOK requirements modeling, what is your next step?

publish date2026/03/12 21:10:57.806266 UTC

volume_mute
LEVEL 1 DATA FLOW DIAGRAM Customer Portal Order Data 1.0 Validate Order Valid Order 2.0 Process Payment Txn Record D1: Transaction Log SUB-PROCESS DETAIL Inventory System Stock Levels Pricing Engine Price List 2.1 Calculate Quote Missing Output 3.0 Next Process D?: Store Missing

Correct Answer

Identify the missing output and the stakeholder who requires it.

Explanation

A process must have at least one input and one output. A process with inputs but no outputs is a "black hole" and indicates a missing requirement or a process that provides no value.

Reference

go-math-science.com


Quizzes you can take where this question appears