Google Professional Data Engineer
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NO.35 An online brokerage company requires a high volume trade processing architecture. You need to create a secure queuing system that triggers jobs. The jobs will run in Google Cloud and call the company's Python API to execute trades. You need to efficiently implement a solution. What should you do?
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LLeetQuiz
A
Use Cloud Composer to subscribe to a Pub/Sub topic and call the Python API.
B
Use a Pub/Sub push subscription to trigger a Cloud Function to pass the data to tie Python API.
C
Write an application that makes a queue in a NoSQL database
D
Write an application hosted on a Compute Engine instance that makes a push subscription to the Pub/Sub topic
Explanation:
For high-volume trade processing with secure queuing, using a NoSQL database queue provides better control and reliability for financial transactions. This approach ensures data persistence and transactional integrity compared to serverless options like Cloud Functions or Cloud Composer, which might not provide the same level of control over message processing and retry mechanisms required for financial trading systems.
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