Following is a leaf node in an OSB flow
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Start node
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Route node
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Branch node
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None of the above
B
Correct answer
Explanation
A Route node in OSB marks the point where messages are sent to backend services and is typically a leaf node in the message flow - it does not have child nodes after it in the main flow. Start nodes begin processing and have children. Branch nodes (like If-Then) contain child paths and are not leaf nodes. The Route node's position as the final processing step before calling a business service makes it the correct answer.