Question 123 of 1,000

PCDE Practice Question: Bootstrapping a Google Cloud Organisation for DevOps

This PCDE practice question tests your understanding of bootstrapping a google cloud organisation for devops. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 DevOps engineer is using Terraform and wants to reference outputs from another Terraform configuration that manages networking. Which approach should they use?

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 `terraform_remote_state` data source pointing to the networking project's GCS state

The `terraform_remote_state` data source is the correct approach because it allows one Terraform configuration to securely read the latest state outputs (e.g., VPC IDs, subnet CIDRs) from another configuration's state file stored in a remote backend like Google Cloud Storage (GCS). This avoids hardcoding or manual copying of values, ensures consistency, and supports dependency management across configurations. By pointing to the networking project's GCS state, the DevOps engineer can dynamically reference outputs like `networking.vpc_id` without exposing sensitive data in environment variables or variable files.

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 Cloud Shell environment variables

    Why it's wrong here

    Environment variables are not tied to state.

  • Use `terraform_remote_state` data source pointing to the networking project's GCS state

    Why this is correct

    This data source retrieves outputs from another state file.

    Related concept

    Read the scenario before looking for a memorised answer.

  • Use Terraform Cloud's variable sets

    Why it's wrong here

    Variable sets are for sharing variables across workspaces, not state outputs.

  • Hardcode the networking values in variables

    Why it's wrong here

    Hardcoding is not maintainable and defeats the purpose of IaC.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Cisco often tests the misconception that environment variables or variable sets can substitute for cross-configuration state sharing, but the only native Terraform mechanism for reading outputs from another configuration's state is `terraform_remote_state`.

Trap categories for this question

  • Command / output trap

    Variable sets are for sharing variables across workspaces, not state outputs.

Detailed technical explanation

How to think about this question

Under the hood, `terraform_remote_state` uses the same backend configuration as the source configuration (e.g., GCS with a specific bucket and prefix) to fetch the state file, deserialize it, and expose outputs as read-only attributes. A subtle behavior is that it only retrieves the latest state version; if the source configuration is being applied concurrently, there is a risk of reading stale data. In real-world scenarios, this pattern is critical for multi-team setups where networking is managed centrally and application teams consume outputs like `vpc_self_link` or `subnet_ips` without direct access to the networking state.

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.

Visual reference

192.168.1.0 /24 256 addresses (254 usable) 192.168.1.0 /25 Subnet A 128 addr (126 usable) 192.168.1.128 /25 Subnet B 128 addr (126 usable) Borrowing 1 bit from host portion creates 2 subnets (/25)

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 PCDE question test?

Bootstrapping a Google Cloud Organisation for DevOps — This question tests Bootstrapping a Google Cloud Organisation for DevOps — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Use `terraform_remote_state` data source pointing to the networking project's GCS state — The `terraform_remote_state` data source is the correct approach because it allows one Terraform configuration to securely read the latest state outputs (e.g., VPC IDs, subnet CIDRs) from another configuration's state file stored in a remote backend like Google Cloud Storage (GCS). This avoids hardcoding or manual copying of values, ensures consistency, and supports dependency management across configurations. By pointing to the networking project's GCS state, the DevOps engineer can dynamically reference outputs like `networking.vpc_id` without exposing sensitive data in environment variables or variable files.

What should I do if I get this PCDE 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

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This PCDE 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 PCDE exam.