Question 167 of 506

Quick Answer

The answer is using IAM to grant the second project's service account the Vertex AI User role on the model resource. This is correct because Vertex AI Model Registry supports cross-project sharing at the resource level, allowing you to apply IAM policies directly to a model without duplicating or moving the underlying artifacts. On the Google Professional Machine Learning Engineer exam, this tests your understanding of IAM conditions and resource-level permissions versus project-level access, a common trap where candidates mistakenly think models must be exported or copied between projects. The key insight is that Vertex AI models are not siloed by project—they are accessible via IAM bindings, making this a secure and efficient sharing method. For a memory tip, think "IAM on the model, not the project" to avoid the trap of assuming cross-project access requires moving data.

PMLE Practice Question: Collaborating within and across teams to manage data and models

This PMLE practice question tests your understanding of collaborating within and across teams to manage data and models. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 ways to share a Vertex AI model across two different Google Cloud projects?

Question 1hardmulti select
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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

Use Vertex AI Model Registry's cross-project sharing feature with IAM conditions.

Option A is correct because Vertex AI Model Registry supports cross-project sharing by allowing you to grant IAM roles with conditions on the model resource. This enables a model registered in one project to be accessed by a service account from another project without moving or copying the model artifacts.

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 Vertex AI Model Registry's cross-project sharing feature with IAM conditions.

    Why this is correct

    Model Registry supports sharing model versions across projects with fine-grained IAM.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Publish the model to Google Cloud Marketplace.

    Why it's wrong here

    Marketplace is for public sharing, not internal.

  • Export the model to a Cloud Storage bucket accessible by both projects and import into the second project.

    Why this is correct

    This preserves model artifacts and allows import into Model Registry in the second project.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Use IAM to grant the second project's service account Vertex AI User role on the model resource.

    Why this is correct

    IAM allows cross-project access to the model directly.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Use the gcloud ai models copy command to copy the model across projects.

    Why it's wrong here

    No such command exists; models are exported/imported.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates may assume a dedicated copy command exists for moving models across projects, but Vertex AI relies on IAM-based sharing or export/import workflows instead.

Trap categories for this question

  • Command / output trap

    No such command exists; models are exported/imported.

Detailed technical explanation

How to think about this question

Under the hood, Vertex AI Model Registry stores model metadata and artifact references in a regional Cloud Storage bucket. Cross-project sharing via IAM conditions works by granting the `aiplatform.models.get` and `aiplatform.models.predict` permissions on the model resource to a service account from another project, allowing it to deploy or use the model without duplicating the underlying artifacts. This approach is critical in multi-tenant environments where a central ML team trains models and shares them with application teams in separate projects.

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?

Collaborating within and across teams to manage data and models — This question tests Collaborating within and across teams to manage data and models — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Use Vertex AI Model Registry's cross-project sharing feature with IAM conditions. — Option A is correct because Vertex AI Model Registry supports cross-project sharing by allowing you to grant IAM roles with conditions on the model resource. This enables a model registered in one project to be accessed by a service account from another project without moving or copying the model artifacts.

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

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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.