Question 103 of 1,000
Design and plan a cloud solution architecturehardMultiple ChoiceObjective-mapped

Google PCA Design and plan a cloud solution architecture Practice Question

This PCA practice question tests your understanding of design and plan a cloud solution architecture. 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.

Network Topology
gcloud compute instances listfilter='name:my-instance'format='value(name,zone,status,networkInterfaces[0].networkIP,disks[0].deviceName)'zone=us-central1format='value(name,sizeGb,type,users)'gcloud compute snapshots listfilter='sourceDisk:my-instance-disk'format='value(name,sourceDisk,diskSizeGb,creationTimestamp)'source-disk=my-instance-disksource-disk-zone=us-central1asyncNAME ZONE STATUS NETWORK_IP DEVICE_NAMEmy-instance us-central1 RUNNING 10.128.0.2 my-instance-diskmy-instance-disk 100 pd-standard us-central1-a/instances/my-instanceNo snapshots found.Output:Operation [operation-12345] is running...

Refer to the exhibit. A user creates a snapshot of a persistent disk. Later, they want to create a new VM from this snapshot in the same project but in a different region (europe-west1). Which step is missing or incorrect?

Network Topology
gcloud compute instances listfilter='name:my-instance'format='value(name,zone,status,networkInterfaces[0].networkIP,disks[0].deviceName)'zone=us-central1format='value(name,sizeGb,type,users)'gcloud compute snapshots listfilter='sourceDisk:my-instance-disk'format='value(name,sourceDisk,diskSizeGb,creationTimestamp)'source-disk=my-instance-disksource-disk-zone=us-central1asyncNAME ZONE STATUS NETWORK_IP DEVICE_NAMEmy-instance us-central1 RUNNING 10.128.0.2 my-instance-diskmy-instance-disk 100 pd-standard us-central1-a/instances/my-instanceNo snapshots found.Output:Operation [operation-12345] is running...

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

The user must wait for the snapshot operation to complete before using it to create a VM.

Option C is correct because a snapshot operation is asynchronous; the snapshot must reach the 'READY' state before it can be used to create a VM. Attempting to create a VM from a snapshot that is still being created will fail, as the snapshot data is not yet fully available.

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 snapshot cannot be used to create a VM in a different region; the user must first create a disk in the same region and then replicate it.

    Why it's wrong here

    Incorrect: Snapshots are global resources and can be used to create disks in any region.

  • The snapshot must be created with '--storage-location=europe-west1' to be usable in that region.

    Why it's wrong here

    Incorrect: Snapshots are global resources; they can be used to create disks in any region. The storage location only affects where the snapshot data is stored, not its availability for disk creation.

  • The user must wait for the snapshot operation to complete before using it to create a VM.

    Why this is correct

    Correct: The '--async' flag returns immediately without waiting for the operation to complete. The snapshot must be in a 'READY' state before it can be used.

    Related concept

    Read the scenario before looking for a memorised answer.

  • The user must specify the '--region' flag when creating the snapshot to make it available in europe-west1.

    Why it's wrong here

    Incorrect: Snapshots are global, not regional. There is no '--region' flag for snapshots.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Google Cloud often tests the asynchronous nature of snapshot creation, trapping candidates who assume the snapshot is immediately available after the create command returns.

Detailed technical explanation

How to think about this question

When a snapshot is created, the operation returns immediately, but the snapshot is not usable until it reaches the 'READY' state. The snapshot's storage location (set via '--storage-location') can be used to enforce data residency, but it does not restrict where the snapshot can be used to create disks or VMs. This asynchronous behavior is critical in automation pipelines where a script might attempt to use a snapshot before it is fully created.

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.

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 PCA question test?

Design and plan a cloud solution architecture — This question tests Design and plan a cloud solution architecture — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The user must wait for the snapshot operation to complete before using it to create a VM. — Option C is correct because a snapshot operation is asynchronous; the snapshot must reach the 'READY' state before it can be used to create a VM. Attempting to create a VM from a snapshot that is still being created will fail, as the snapshot data is not yet fully available.

What should I do if I get this PCA 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 PCA 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 PCA exam.