- A
Use the Vertex AI Pipelines console to set a cron schedule directly on the pipeline.
Why wrong: Vertex AI Pipelines does not have a built-in scheduler; you must use Cloud Scheduler or other external triggers.
- B
Create a Cloud Build trigger that runs the pipeline on a schedule.
Why wrong: Cloud Build triggers are for CI/CD, not scheduling recurring pipelines.
- C
Use Cloud Tasks to create a recurring task that invokes the pipeline.
Why wrong: Cloud Tasks is for distributed task queues, not recurring schedules.
- D
Create a Cloud Function that calls the Vertex AI API, triggered by a Pub/Sub message from Cloud Scheduler.
This is the recommended pattern: Cloud Scheduler publishes to Pub/Sub, which triggers a Cloud Function that starts the pipeline.
Question 945 of 1,000
PMLE Automating and Orchestrating ML Pipelines Practice Question
This PMLE practice question tests your understanding of automating and orchestrating ml pipelines. 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 machine learning engineer needs to schedule a Vertex AI pipeline to run daily at midnight. Which approach should they use?
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
✓
Create a Cloud Function that calls the Vertex AI API, triggered by a Pub/Sub message from Cloud Scheduler.
Option D is correct because Vertex AI Pipelines does not natively support cron scheduling. The recommended pattern is to use Cloud Scheduler to publish a message to a Pub/Sub topic at the desired time, which then triggers a Cloud Function that calls the Vertex AI API to create and run the pipeline. This decoupled architecture ensures reliable scheduling and allows for custom logic before invocation.
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.
- ✗
Use the Vertex AI Pipelines console to set a cron schedule directly on the pipeline.
Why it's wrong here
Vertex AI Pipelines does not have a built-in scheduler; you must use Cloud Scheduler or other external triggers.
- ✗
Create a Cloud Build trigger that runs the pipeline on a schedule.
Why it's wrong here
Cloud Build triggers are for CI/CD, not scheduling recurring pipelines.
- ✗
Use Cloud Tasks to create a recurring task that invokes the pipeline.
Why it's wrong here
Cloud Tasks is for distributed task queues, not recurring schedules.
- ✓
Create a Cloud Function that calls the Vertex AI API, triggered by a Pub/Sub message from Cloud Scheduler.
Why this is correct
This is the recommended pattern: Cloud Scheduler publishes to Pub/Sub, which triggers a Cloud Function that starts the pipeline.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates assume Vertex AI Pipelines has built-in scheduling, but the exam tests knowledge of the correct Google Cloud integration pattern using Cloud Scheduler, Pub/Sub, and Cloud Functions.
Detailed technical explanation
How to think about this question
Under the hood, Cloud Scheduler uses App Engine HTTP targets or Pub/Sub to invoke services at specified cron intervals. The Cloud Function in this pattern receives the Pub/Sub message, authenticates via service account, and calls the `projects.locations.pipelines.create` method of the Vertex AI API. A real-world scenario is when the pipeline must run at a specific time zone (e.g., midnight UTC) and requires idempotency checks to avoid duplicate runs if the function retries.
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?
Automating and Orchestrating ML Pipelines — This question tests Automating and Orchestrating ML Pipelines — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a Cloud Function that calls the Vertex AI API, triggered by a Pub/Sub message from Cloud Scheduler. — Option D is correct because Vertex AI Pipelines does not natively support cron scheduling. The recommended pattern is to use Cloud Scheduler to publish a message to a Pub/Sub topic at the desired time, which then triggers a Cloud Function that calls the Vertex AI API to create and run the pipeline. This decoupled architecture ensures reliable scheduling and allows for custom logic before invocation.
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.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jul 4, 2026
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