Google Professional Data Engineer
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Your chemical company manually checks documentation for customer orders and uses a pull subscription in Pub/Sub for sales agents to access order details. How can you prevent processing orders twice with different sales agents and avoid adding complexity to the workflow?
A
Create a new Pub/Sub push subscription to monitor the orders processed in the agent‘s system.
B
Use a Deduplicate PTransform in Dataflow before sending the messages to the sales agents.
C
Use Pub/Sub exactly-once delivery in your pull subscription.
D
Create a transactional database that monitors the pending messages.