- A
SSH into the training container using Vertex AI's SSH feature
Why wrong: Vertex AI does not support SSH into training containers.
- B
View logs in Cloud Storage under the job's output directory
Why wrong: Logs are not saved to Cloud Storage by default; they go to Cloud Logging.
- C
Use Cloud Debugger to inspect the container
Why wrong: Cloud Debugger is for production debugging of running services, not for training jobs.
- D
Check the logs in Cloud Logging (Logs Explorer)
Logs are automatically streamed to Cloud Logging; this is the standard debugging approach.
Question 757 of 1,000
PMLE Scaling Prototypes into ML Models Practice Question
This PMLE practice question tests your understanding of scaling prototypes into ml models. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
An engineer is training a model on Vertex AI using a custom container. The training job fails with an error indicating that the container exited with a non-zero status. The engineer wants to debug the issue. What is the best way to access the logs?
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.
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
✓
Check the logs in Cloud Logging (Logs Explorer)
Option D is correct because Vertex AI automatically streams all container stdout and stderr to Cloud Logging (Logs Explorer). When a custom container exits with a non-zero status, the detailed error messages, stack traces, and application logs are captured there, making it the primary and most comprehensive debugging tool. Cloud Logging provides structured, searchable logs without requiring direct access to the container.
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.
- ✗
SSH into the training container using Vertex AI's SSH feature
Why it's wrong here
Vertex AI does not support SSH into training containers.
- ✗
View logs in Cloud Storage under the job's output directory
Why it's wrong here
Logs are not saved to Cloud Storage by default; they go to Cloud Logging.
- ✗
Use Cloud Debugger to inspect the container
Why it's wrong here
Cloud Debugger is for production debugging of running services, not for training jobs.
- ✓
Check the logs in Cloud Logging (Logs Explorer)
Why this is correct
Logs are automatically streamed to Cloud Logging; this is the standard debugging approach.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
A common trap is the misconception that you can SSH into a training container or that logs are stored in Cloud Storage, when in fact Cloud Logging is the centralized, default logging solution for all Vertex AI training jobs.
Detailed technical explanation
How to think about this question
Vertex AI training jobs use the AI Platform Training service, which automatically configures the Cloud Logging agent to collect logs from the container's stdout and stderr streams. These logs are indexed and searchable in Logs Explorer with labels like 'job_id' and 'task_name', enabling filtering by specific training runs. For custom containers, any unhandled exceptions or exit codes are captured as log entries with severity levels, making root cause analysis straightforward without needing to modify the container image.
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: Check the logs in Cloud Logging (Logs Explorer) — Option D is correct because Vertex AI automatically streams all container stdout and stderr to Cloud Logging (Logs Explorer). When a custom container exits with a non-zero status, the detailed error messages, stack traces, and application logs are captured there, making it the primary and most comprehensive debugging tool. Cloud Logging provides structured, searchable logs without requiring direct access to the container.
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.
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Last reviewed: Jul 4, 2026
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