Interview Questions for Business Analysts and Systems Analysts

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INTERVIEW QUESTION:

Describe the BPMN Parallel Gateway and how it is used in process modeling.

Posted by Chris Adams

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Categories: Business Analysis, Systems Analysis, Business Process Modeling Notation (BPMN)

ANSWER

A Parallel Gateway is one of the most common gateways used in BPMN and is depicted as a diamond with a “+” within it.

BPMN Parallel Gateway

When used as a diverging gateway (splitting the sequence flow into many paths), a parallel gateway can have 2 or more outgoing paths. When using a parallel gateway ALL paths must be taken for a given instance of a process. Therefore, there are no conditions checked before proceeding along each path.

BPMN Parallel Gateway Example

When used as a converging gateway, a parallel gateway will wait for all tokens to arrive from each incoming path before merging and synchronizing the flow.

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Do your homework prior to the business analysis interview!

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