- A
A scheduled training pipeline that retrains the model weekly.
Scheduled retraining is essential for keeping the model up-to-date.
- B
A manual QA step where data scientists approve each deployment.
Why wrong: Manual steps reduce automation and slow down the pipeline.
- C
A manual review of new data before it is used for training.
Why wrong: Manual review is not scalable and introduces delays.
- D
An automated trigger that redeploys the model when performance drops below a threshold.
Automated redeployment based on performance ensures quick recovery.
- E
A monitoring system that checks for data drift and triggers alerts.
Monitoring is critical for detecting when the model degrades.
Quick Answer
The answer is a monitoring system that checks for data drift and triggers alerts, a scheduled training pipeline for weekly retraining, and a model evaluation and validation component. These three components are essential because the scenario requires automated, continuous retraining on Vertex AI, which demands a scheduled pipeline—typically orchestrated via Cloud Scheduler or Vertex AI Pipelines—to ingest new data weekly without manual intervention. The monitoring system is critical for detecting data drift and performance degradation, automatically triggering retraining or alerts to maintain model reliability. On the Google Professional Machine Learning Engineer exam, this question tests your understanding of MLOps pipeline components in Vertex AI, specifically the interplay between automation, monitoring, and validation. A common trap is confusing a simple deployment with a full pipeline; the key is recognizing that weekly retraining necessitates scheduling, not just one-time deployment. Memory tip: think “Schedule, Monitor, Validate” as the three pillars of a production MLOps pipeline on Vertex AI.
PMLE Scaling prototypes into ML models Practice Question
This PMLE practice question tests your understanding of scaling prototypes into ml models. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company has a prototype ML model that predicts equipment failure. They want to deploy it to production using Vertex AI. The model must be retrained weekly with new data. They also need to monitor for data drift and model performance. Which THREE components should they include in their MLOps pipeline? (Choose 3)
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
A scheduled training pipeline that retrains the model weekly.
Option A is correct because the requirement specifies weekly retraining, which is best implemented as a scheduled training pipeline in Vertex AI using Cloud Scheduler or a recurring AI Platform Pipeline run. This automates the retraining process without manual intervention, ensuring the model stays current with new data.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
A scheduled training pipeline that retrains the model weekly.
Why this is correct
Scheduled retraining is essential for keeping the model up-to-date.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
A manual QA step where data scientists approve each deployment.
Why it's wrong here
Manual steps reduce automation and slow down the pipeline.
- ✗
A manual review of new data before it is used for training.
Why it's wrong here
Manual review is not scalable and introduces delays.
- ✓
An automated trigger that redeploys the model when performance drops below a threshold.
Why this is correct
Automated redeployment based on performance ensures quick recovery.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
A monitoring system that checks for data drift and triggers alerts.
Why this is correct
Monitoring is critical for detecting when the model degrades.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the distinction between necessary manual oversight and fully automated MLOps practices, leading candidates to overestimate the need for human approval steps in a production pipeline that demands speed and scalability.
Detailed technical explanation
How to think about this question
In Vertex AI, a monitoring system for data drift typically uses the Vertex AI Model Monitoring service, which compares the distribution of prediction requests against a training data baseline using statistical tests like the Kolmogorov-Smirnov test or Jensen-Shannon divergence. The automated redeployment trigger (Option D) can be implemented via Cloud Functions that listen to monitoring alerts and invoke a new model version deployment, enabling self-healing pipelines that maintain performance without human intervention.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this PMLE question test?
Scaling prototypes into ML models — This question tests Scaling prototypes into ML models — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A scheduled training pipeline that retrains the model weekly. — Option A is correct because the requirement specifies weekly retraining, which is best implemented as a scheduled training pipeline in Vertex AI using Cloud Scheduler or a recurring AI Platform Pipeline run. This automates the retraining process without manual intervention, ensuring the model stays current with new data.
What should I do if I get this PMLE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This PMLE 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 PMLE exam.
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