- A
Store arguments in a Cloud Storage file and download at runtime.
Why wrong: Possible but not a direct method; also not a standard approach.
- B
Set environment variables using the 'env' field and reference them in the container.
Environment variables can also be used to pass arguments.
- C
Set hyperparameter values in the 'hyperparameters' field of the worker pool spec.
Why wrong: There is no such field; hyperparameters for tuning are defined in the StudySpec, not directly in job spec.
- D
Use the 'command' field to override the entrypoint and include arguments.
Overriding command allows embedding arguments.
- E
Specify args in the 'args' field of the container spec.
Direct way to pass arguments to the container entrypoint.
Question 871 of 1,000
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.
You are using Vertex AI to train a model with a custom container. You need to pass command-line arguments for hyperparameters. Which TWO methods can you use? (Choose 2.)
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
✓
Set environment variables using the 'env' field and reference them in the container.
Option B is correct because Vertex AI custom container training allows you to pass environment variables via the 'env' field in the worker pool spec, which the container can then reference at runtime. Option D is correct because you can override the container's default entrypoint using the 'command' field and include command-line arguments directly in that field. Option E is also correct as the 'args' field in the container spec can be used to pass arguments that are appended to the entrypoint or command.
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.
- ✗
Store arguments in a Cloud Storage file and download at runtime.
Why it's wrong here
Possible but not a direct method; also not a standard approach.
- ✓
Set environment variables using the 'env' field and reference them in the container.
Why this is correct
Environment variables can also be used to pass arguments.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Set hyperparameter values in the 'hyperparameters' field of the worker pool spec.
Why it's wrong here
There is no such field; hyperparameters for tuning are defined in the StudySpec, not directly in job spec.
- ✓
Use the 'command' field to override the entrypoint and include arguments.
Why this is correct
Overriding command allows embedding arguments.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Specify args in the 'args' field of the container spec.
Why this is correct
Direct way to pass arguments to the container entrypoint.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between the 'hyperparameters' field (used for tuning jobs) and the 'args'/'command' fields (used for passing static arguments), causing candidates to mistakenly select option C as a valid method for passing command-line arguments.
Detailed technical explanation
How to think about this question
When using a custom container in Vertex AI, the container's entrypoint is defined by the Dockerfile's ENTRYPOINT and CMD instructions. The 'command' field overrides the ENTRYPOINT, while the 'args' field overrides the CMD, allowing you to pass arguments directly. Environment variables set via the 'env' field are injected into the container's environment and can be read using standard OS mechanisms (e.g., os.environ in Python). This design aligns with Kubernetes pod spec conventions, where command and args correspond to the container's entrypoint and command fields.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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: Set environment variables using the 'env' field and reference them in the container. — Option B is correct because Vertex AI custom container training allows you to pass environment variables via the 'env' field in the worker pool spec, which the container can then reference at runtime. Option D is correct because you can override the container's default entrypoint using the 'command' field and include command-line arguments directly in that field. Option E is also correct as the 'args' field in the container spec can be used to pass arguments that are appended to the entrypoint or command.
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: Jul 4, 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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