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Setting up a cloud solution environment →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is to run `gcloud projects describe my-startup-prod` and look for the projectNumber field. This command retrieves the full metadata of a GCP project, including the project number, which is a unique, immutable numeric identifier assigned by Google Cloud at creation. Unlike the project ID, which you can customize, the project number is not derivable from the ID and must be fetched via the API or CLI. On the Google Associate Cloud Engineer exam, this tests your ability to distinguish between project ID, project name, and project number—a common trap is confusing the project ID with the project number, especially since both can be used in resource URLs. A reliable memory tip: the project number is always numeric and never changes, so when an API call strictly requires a number, think of `gcloud projects describe` as your go-to retrieval command.

Google ACE Setting up a cloud solution environment Practice Question

This ACE practice question tests your understanding of setting up a cloud solution environment. 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 startup's GCP project has a project ID of 'my-startup-prod' and a project number of '123456789012'. An API call requires the project number, not the project ID. How can the project number be retrieved quickly?

Question 1mediummultiple choice
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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

✓

Run `gcloud projects describe my-startup-prod` and look for the projectNumber field

Option B is correct because the `gcloud projects describe` command retrieves detailed metadata about a GCP project, including the `projectNumber` field, which is a unique numeric identifier assigned by Google Cloud. This is the standard method to quickly obtain the project number when only the project ID is known, as the project number is not derivable from the project ID.

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.

  • ✗

    The project number is always the same as the last 12 digits of the project ID

    Why it's wrong here

    Project numbers are assigned by GCP and bear no relationship to the project ID string.

  • ✓

    Run `gcloud projects describe my-startup-prod` and look for the projectNumber field

    Why this is correct

    `gcloud projects describe [PROJECT_ID]` outputs the project's metadata including `projectNumber`, `projectId`, `name`, and `lifecycleState`.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    Run `gcloud config get-value project-number`

    Why it's wrong here

    There is no `project-number` property in gcloud config — project number must be retrieved via `gcloud projects describe`.

  • ✗

    The project number appears in the URL bar of the GCP Console — it's the number after /project/

    Why it's wrong here

    The GCP Console URL typically shows the project ID, not the project number. The project number is in the Project Info panel on the Console home page.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates confuse the project ID with the project number, assuming they are interchangeable or derivable from each other, and may incorrectly think a simple `gcloud config` command or URL inspection is sufficient.

Trap categories for this question

  • Command / output trap

    The GCP Console URL typically shows the project ID, not the project number. The project number is in the Project Info panel on the Console home page.

Detailed technical explanation

How to think about this question

The project number is a 13-digit integer (e.g., 123456789012) that is globally unique and immutable, whereas the project ID is user-chosen and can be reused after deletion. Under the hood, the `gcloud projects describe` command calls the Cloud Resource Manager API's `projects.get()` method, which returns the full project resource object including `projectNumber`, `projectId`, `name`, and `lifecycleState`. In real-world scenarios, APIs like Google Cloud Pub/Sub or IAM often require the project number for resource naming or quota tracking, making this retrieval essential for automation scripts.

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 ACE question test?

Setting up a cloud solution environment — This question tests Setting up a cloud solution environment — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Run `gcloud projects describe my-startup-prod` and look for the projectNumber field — Option B is correct because the `gcloud projects describe` command retrieves detailed metadata about a GCP project, including the `projectNumber` field, which is a unique numeric identifier assigned by Google Cloud. This is the standard method to quickly obtain the project number when only the project ID is known, as the project number is not derivable from the project ID.

What should I do if I get this ACE 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 11, 2026

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This ACE 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 ACE exam.