Google Cloud Professional Cloud Architect PCA — Topic 1 Question 102

Question

You are developing a globally scaled frontend for a legacy streaming backend data API. This API expects events in strict chronological order with no repeat data for proper processing. Which products should you deploy to ensure guaranteed-once FIFO (first-in, first-out) delivery of data?

Accepted Answer

Correct answer: A. The correct answer is A. Option A: Cloud Pub/Sub alone Pub/Sub is a serverless, global messaging service that decouples services and ingests high-volume event streams. This option meets the real-time / low-latency performance requirement.

Google Cloud Professional Cloud Architect PCA — Question 102