Cloud Digital Leader Why Cloud Technology Can Transform Business Practice Question
A developer needs to add machine learning capabilities to their application without training models from scratch. Which Google Cloud service provides pre-trained models via API?
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 Vision API
Cloud Vision API offers pre-trained models for image analysis accessible via API, allowing developers to integrate ML without training.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Vertex AI
Why it's wrong here
Vertex AI is a full-fledged MLOps platform for building, training, tuning, and deploying custom machine learning models. It does not provide an out-of-the-box pre-trained vision API; instead, you must bring your own model or training data to use the platform. For a developer who simply wants to add image recognition capabilities without managing training infrastructure, Vertex AI is far heavier than needed. It also requires you to build or upload a model, whereas Cloud Vision API is directly callable via REST.
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AI Platform Training
Why it's wrong here
AI Platform Training is a service specifically designed for running custom training jobs using frameworks like TensorFlow, PyTorch, and XGBoost. It is meant for training bespoke models on your own dataset, not for invoking a pre-trained model to perform inference. While it can host trained models for prediction, it does not expose the ready-made vision models that Cloud Vision API offers. It is also a legacy service that has been subsumed by Vertex AI, further indicating it is not a pre-trained API.
- ✓
Cloud Vision API
Why this is correct
Cloud Vision API is exactly what this developer needs: a managed service that exposes pre-trained machine learning models for image recognition via a simple REST or gRPC API. It can detect labels, objects, faces, OCR text, landmarks, and even explicit content, without requiring the user to train or host any models. The API returns structured JSON predictions, making it trivial to add ML capabilities to any application in a matter of minutes. It is the canonical example of Google Cloud's pre-trained AI services.
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Cloud AutoML
Why it's wrong here
Cloud AutoML provides a suite of tools to train custom machine learning models on your own labeled data, including image classification, object detection, translation, and more. Although it leverages transfer learning, it still requires you to supply a training dataset and run a training job before you can get predictions. It is not a pre-trained API; rather, it builds a tailor-made model for your specific use case, which is overkill if you just need general image recognition. The developer in this scenario is not asking for fine-tuned custom models but for a quick, pre-built integration.
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Cloud Digital Transformation
Key term
Google Cloud
Google Cloud is a suite of cloud computing services offered by Google that provides infrastructure, platform, and software solutions over the internet.
Key term
Machine learning
Machine learning is a branch of artificial intelligence where computers learn patterns from data to make decisions or predictions without being explicitly programmed for every task.
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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.