This GCDL practice question tests your understanding of fundamental cloud concepts. 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.
An organization wants to ensure business continuity by replicating critical data to a different region. Which Google Cloud feature should they use?
Cloud Storage dual-region or multi-region
These storage classes automatically replicate data across geographic regions for disaster recovery.
Cloud Dataflow
Why wrong: Dataflow is for stream/batch processing, not storage replication.
Compute Engine instance groups
Why wrong: Instance groups provide scaling, not data replication.
Cloud VPN
Why wrong: VPN connects networks, does not replicate data.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Cloud Storage dual-region or multi-region
Cloud Storage dual-region or multi-region configuration is the correct choice because it provides built-in, asynchronous replication of data across geographically separated locations, ensuring business continuity through high availability and durability. This feature automatically stores redundant copies of objects in multiple zones within a region or across regions, protecting against regional failures without requiring additional infrastructure or manual intervention.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Cloud Storage dual-region or multi-region
Why this is correct
These storage classes automatically replicate data across geographic regions for disaster recovery.
Related concept
Read the scenario before looking for a memorised answer.
Cloud Dataflow
Why it's wrong here
Dataflow is for stream/batch processing, not storage replication.
Compute Engine instance groups
Why it's wrong here
Instance groups provide scaling, not data replication.
Cloud VPN
Why it's wrong here
VPN connects networks, does not replicate data.
Common exam traps
Google Cloud often tests the misconception that Compute Engine instance groups or Cloud VPN provide data replication, when in fact they only manage compute or network connectivity, respectively, and candidates must recognize that native storage replication requires a storage service like Cloud Storage with dual-region or multi-region configuration.
Detailed technical explanation
Cloud Storage dual-region uses a composite bucket that spans two specific regions (e.g., us-central1 and us-east1), with data automatically replicated asynchronously between them, providing an RPO (Recovery Point Objective) of typically under 15 minutes. Multi-region buckets (e.g., 'us' or 'eu') replicate data across at least two geographic regions within that multi-region, offering even higher durability (99.999999999% annual durability) and availability (99.99%). Under the hood, Google's global network and storage infrastructure handle replication using a consistent hashing and erasure coding scheme, ensuring that object writes are acknowledged only after being durably stored in at least two zones, with cross-region replication occurring asynchronously.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
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FAQ
Fundamental cloud concepts — This question tests Fundamental cloud concepts — Read the scenario before looking for a memorised answer..
The correct answer is: Cloud Storage dual-region or multi-region — Cloud Storage dual-region or multi-region configuration is the correct choice because it provides built-in, asynchronous replication of data across geographically separated locations, ensuring business continuity through high availability and durability. This feature automatically stores redundant copies of objects in multiple zones within a region or across regions, protecting against regional failures without requiring additional infrastructure or manual intervention.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This GCDL 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 GCDL exam.
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