PROFESSIONAL-DATA-ENGINEER · Question #33
PROFESSIONAL-DATA-ENGINEER Question #33: Real Exam Question with Answer & Explanation
The correct answer is C: Use Google Stackdriver Monitoring on Cloud Pub/Sub to find the missing messages.. Explanation/Reference: Stackdriver can be used to check the error like number of unack messages, publisher pushing messages faster.
Question
Your software uses a simple JSON format for all messages. These messages are published to Google Cloud Pub/Sub, then processed with Google Cloud Dataflow to create a real-time dashboard for the CFO. During testing, you notice that some messages are missing in the dashboard. You check the logs, and all messages are being published to Cloud Pub/Sub successfully. What should you do next?
Options
- ACheck the dashboard application to see if it is not displaying correctly.
- BRun a fixed dataset through the Cloud Dataflow pipeline and analyze the output.
- CUse Google Stackdriver Monitoring on Cloud Pub/Sub to find the missing messages.
- DSwitch Cloud Dataflow to pull messages from Cloud Pub/Sub instead of Cloud Pub/Sub pushing messages to Cloud Dataflow.
Explanation
Explanation/Reference: Stackdriver can be used to check the error like number of unack messages, publisher pushing messages faster.
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