- A
Prediction request count, latency, and error rate on the serving endpoint.
Why wrong: Serving metrics, not training pipeline health.
- B
Pipeline execution status (success/failure), component completion times, and data validation anomalies.
Directly monitors pipeline health including data quality.
- C
Number of pipeline runs, average CPU utilization, and memory usage.
Why wrong: CPU/memory are infrastructure metrics, not pipeline health indicators.
- D
Model accuracy, precision, and recall on the evaluation dataset.
Why wrong: These are model performance metrics, not pipeline health.
Quick Answer
The answer is pipeline execution status, component completion times, and data validation anomalies. This combination is correct because monitoring TFX pipeline health on Vertex AI requires tracking both operational success and data integrity; execution status tells you if the pipeline ran, component times reveal bottlenecks or failures, and data validation anomalies catch schema violations or drift early in the training process. On the Google Professional Machine Learning Engineer exam, this question tests your ability to distinguish between training pipeline monitoring and serving infrastructure monitoring—a common trap is selecting metrics like latency or prediction drift, which apply to deployed models, not the pipeline itself. Remember the mnemonic “Status, Speed, Schema” to recall the three pillars: execution status, component completion times, and data validation anomalies.
PMLE Monitoring ML solutions Practice Question
This PMLE practice question tests your understanding of monitoring ml solutions. 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 data science team uses TFX to train and deploy a model on Vertex AI. They want automated monitoring for pipeline health. Which set of metrics should they monitor to quickly detect issues in the training pipeline?
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
Pipeline execution status (success/failure), component completion times, and data validation anomalies.
Option B is correct because the question specifically asks about monitoring the training pipeline's health, not the serving infrastructure. Pipeline execution status directly indicates whether the pipeline ran successfully, component completion times help identify bottlenecks or failures, and data validation anomalies catch data quality issues early in the pipeline — all of which are essential for detecting issues in the training pipeline itself.
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.
- ✗
Prediction request count, latency, and error rate on the serving endpoint.
Why it's wrong here
Serving metrics, not training pipeline health.
- ✓
Pipeline execution status (success/failure), component completion times, and data validation anomalies.
Why this is correct
Directly monitors pipeline health including data quality.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Number of pipeline runs, average CPU utilization, and memory usage.
Why it's wrong here
CPU/memory are infrastructure metrics, not pipeline health indicators.
- ✗
Model accuracy, precision, and recall on the evaluation dataset.
Why it's wrong here
These are model performance metrics, not pipeline health.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse serving endpoint metrics (like latency and error rate) with pipeline health metrics, because both are part of an ML system, but the question explicitly asks about the training pipeline, not the serving infrastructure.
Detailed technical explanation
How to think about this question
TFX pipelines use components like ExampleGen, StatisticsGen, SchemaGen, and ExampleValidator to detect data anomalies. The ExampleValidator component compares data statistics against a schema and can detect anomalies such as missing values, unexpected feature distributions, or feature type mismatches — these are critical early warnings that can prevent downstream training failures. Monitoring component completion times also helps detect resource contention or data skew that may not cause a hard failure but degrades pipeline efficiency.
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.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this PMLE question test?
Monitoring ML solutions — This question tests Monitoring ML solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Pipeline execution status (success/failure), component completion times, and data validation anomalies. — Option B is correct because the question specifically asks about monitoring the training pipeline's health, not the serving infrastructure. Pipeline execution status directly indicates whether the pipeline ran successfully, component completion times help identify bottlenecks or failures, and data validation anomalies catch data quality issues early in the pipeline — all of which are essential for detecting issues in the training pipeline itself.
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 24, 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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