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Answer: Have the data acquisition devices publish data to Cloud Pub/Sub.
The correct answer is B: Have the data acquisition devices publish data to Cloud Pub/Sub. Cloud Pub/Sub is designed to provide reliable and scalable real-time messaging services, which helps in buffering and ensuring the delivery of events even with unreliable and unpredictable network latencies. It is cost-effective compared to establishing Cloud Interconnects between multiple data centers, which can be expensive. Additionally, Cloud Pub/Sub can handle the reliable delivery of events within its network, mitigating the issues caused by unreliable leased lines.
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You manage a global logistics company that relies on vehicle-based sensors to monitor and capture events related to delivery operations. To facilitate this, you operate multiple small data centers worldwide. However, you face a challenge: the leased lines connecting your event collection infrastructure to your central event processing infrastructure are unreliable and exhibit unpredictable latency. Your goal is to resolve this issue in the most cost-efficient manner. What steps should you take to achieve this?
A
Deploy small Kafka clusters in your data centers to buffer events.
B
Have the data acquisition devices publish data to Cloud Pub/Sub.
C
Establish a Cloud Interconnect between all remote data centers and Google.
D
Write a Cloud Dataflow pipeline that aggregates all data in session windows.
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