- A
Normalize the data into multiple tables to reduce data size
Why wrong: AutoML requires a single denormalized table.
- B
Enable automatic feature engineering to improve model performance
Creates cross features and handling missing values.
- C
Disable early stopping for best model quality if budget allows
Early stopping can reduce training time but may degrade accuracy.
- D
Use the max time budget parameter to control costs
Limits training node hours.
- E
Keep training data with heavy class imbalance as-is to let AutoML correct it
Why wrong: AutoML may not correct imbalance; manual resampling or class weighting is recommended.
Question 361 of 1,000
hardMultiple SelectObjective-mapped
Vertex AI AutoML Tabular Best Practices
This PMLE practice question tests your understanding of pmle exam topics. 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.
Which THREE of the following are valid best practices when using Vertex AI AutoML for tabular data?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Quick Answer
The answer is to use the max time budget parameter to control costs, as this is a fundamental best practice for managing Vertex AI AutoML tabular experiments. This parameter directly limits the training time, preventing runaway compute expenses while still allowing the service to explore model architectures and hyperparameters within your budget. On the Google Professional Machine Learning Engineer exam, this concept tests your understanding of cost optimization in automated machine learning workflows, often appearing alongside traps that suggest unlimited training time for better accuracy. A common mistake is ignoring the trade-off between time budget and model performance, but the exam emphasizes that a well-set budget is a core operational best practice. Remember the mnemonic "Time is Money" — the max time budget is your primary cost control lever in AutoML tabular.
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
✓
Enable automatic feature engineering to improve model performance
Option B is correct because enabling automatic feature engineering in Vertex AI AutoML for tabular data allows the service to automatically create, select, and transform features (e.g., polynomial combinations, cross features, and numerical transformations) to improve model accuracy without manual intervention. This is a built-in capability that leverages Google's AutoML algorithms to discover the most predictive feature representations from the raw 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.
- ✗
Normalize the data into multiple tables to reduce data size
Why it's wrong here
AutoML requires a single denormalized table.
- ✓
Enable automatic feature engineering to improve model performance
Why this is correct
Creates cross features and handling missing values.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Disable early stopping for best model quality if budget allows
Why this is correct
Early stopping can reduce training time but may degrade accuracy.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Use the max time budget parameter to control costs
Why this is correct
Limits training node hours.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Keep training data with heavy class imbalance as-is to let AutoML correct it
Why it's wrong here
AutoML may not correct imbalance; manual resampling or class weighting is recommended.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that cost-control parameters like max time budget are best practices for model quality, when in fact they are operational constraints, and that disabling early stopping is beneficial for quality, when it actually risks overfitting and wasted resources.
Detailed technical explanation
How to think about this question
Under the hood, Vertex AI AutoML for tabular data uses neural architecture search and automated hyperparameter tuning, where automatic feature engineering can generate cross features (e.g., product of two numeric columns) and bucketized features that capture non-linear interactions. In a real-world scenario, for a credit risk dataset with hundreds of raw columns, enabling automatic feature engineering can uncover that the ratio of income to loan amount is a stronger predictor than either feature alone, significantly boosting AUC without manual feature engineering effort.
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 startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
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?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Enable automatic feature engineering to improve model performance — Option B is correct because enabling automatic feature engineering in Vertex AI AutoML for tabular data allows the service to automatically create, select, and transform features (e.g., polynomial combinations, cross features, and numerical transformations) to improve model accuracy without manual intervention. This is a built-in capability that leverages Google's AutoML algorithms to discover the most predictive feature representations from the raw 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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 30, 2026
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