Google Cloud Digital LeaderDigital transformation with Google CloudMedium

A financial services company needs to process vast amounts of streaming financial transactions in real-time, perform fraud detection, and update customer portfolios instantly. The solution must be highly durable, low-latency, and capable of handling millions of events per second. Which Google Cloud messaging service is designed for this type of high-throughput, real-time data ingestion?

  1. ACloud Pub/Sub
  2. BCloud Trace
  3. CCloud Scheduler
  4. DCloud Tasks
Show answer & explanation

Correct answer: A. Cloud Pub/Sub

Cloud Pub/Sub is a global, real-time messaging service designed for ingesting and delivering high volumes of events. Its low-latency and high-throughput capabilities make it ideal for streaming analytics, fraud detection, and real-time data processing in financial scenarios.

Why the other options are wrong

  • B. Cloud Trace is for distributed tracing and performance monitoring, not for data ingestion.
  • C. Cloud Scheduler is for running cron jobs and scheduled tasks, not for real-time event streaming.
  • D. Cloud Tasks is used for asynchronous task execution and queueing, not for high-throughput streaming ingestion.

Cloud Pub/Sub

A global, real-time messaging service for sending and receiving messages between independent applications.

  • Decouples senders and receivers.
  • Scales to millions of messages per second.
  • Used for streaming analytics, event-driven architectures, and distributed systems.

Memory trick: Pub/Sub powers streams, Tasks queues dreams.

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