Cloud Digital Leader Google Cloud Products and Services Practice Question
A company is building a real-time analytics pipeline on Google Cloud. They need to ingest streaming data from IoT devices, process it with low latency, and then store the results for real-time querying. Which TWO services should they use? (Choose TWO.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Cloud Pub/Sub
Pub/Sub ingests streaming data reliably, and Dataflow processes it with low latency. Other options are not suitable for real-time streaming analytics.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Cloud Pub/Sub
Why this is correct
Pub/Sub is a scalable messaging service for ingesting streaming data from IoT devices.
- ✗
Cloud Storage
Why it's wrong here
Cloud Storage is object storage, not a real-time processing engine.
- ✓
Cloud Dataflow
Why this is correct
Dataflow (Apache Beam) processes streaming data in real-time with exactly-once semantics.
- ✗
Cloud Functions
Why it's wrong here
Cloud Functions is for event-driven functions, not for long-running streaming pipelines.
- ✗
BigQuery
Why it's wrong here
BigQuery is for analytics queries but not for low-latency streaming processing.
Go deeper
Related to this question
Learn chapter
Cloud Digital Transformation
Key term
Pub/Sub
Pub/Sub is a messaging pattern where publishers send messages without knowing who receives them, and subscribers receive only the messages they care about.
Key term
IoT
IoT (Internet of Things) is a network of physical devices embedded with sensors and software to connect and exchange data over the internet.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This GCDL practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the GCDL exam.