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Cloud Digital Leader Practice Question: Wants to ensure business continuity by…
An organization wants to ensure business continuity by replicating critical data to a different region. Which Google Cloud feature should they use?
⚠ Common exam trap
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.
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
✓
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.
Answer analysis
Option-by-option breakdown
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
Cloud Storage dual-region or multi-region classes are explicitly designed for geo-redundancy: they asynchronously replicate objects across two or more distinct geographic regions, automatically handling failover if one region becomes unavailable. This satisfies business continuity by providing a durable, independently accessible copy of data that survives regional outages without manual intervention, offering 99.99% availability and a zero-RPO replication model.
- ✗
Cloud Dataflow
Why it's wrong here
Cloud Dataflow is a fully managed, serverless service for executing Apache Beam pipelines, intended for stream (real-time) and batch data processing, ETL, and analytics transformations. It does not store or persist data itself, nor does it replicate any underlying storage; it merely reads from and writes to sources and sinks like Cloud Storage or BigQuery. Therefore, while Dataflow could process replicated data, it is not a storage replication mechanism and cannot guarantee business continuity by itself.
- ✗
Compute Engine instance groups
Why it's wrong here
Compute Engine instance groups are a managed or unmanaged group of virtual machine instances that provide autoscaling, load balancing, and multi-zone (regional) distribution for compute capacity. They replicate the compute instances themselves to maintain application availability, but they do not replicate application data: any persistent disk attached to an instance exists in a single zone, and that data is not automatically copied elsewhere. Thus instance groups address compute resilience, not the durable geo-replication of data required for business continuity.
- ✗
Cloud VPN
Why it's wrong here
Cloud VPN creates an encrypted IPsec tunnel between a customer's on-premises network or another cloud environment and a Google Cloud VPC, providing secure, private connectivity for traffic. It is a network-level connection that merely transports data packets; it has no awareness of or capability to copy, duplicate, or synchronize stored objects. Using Cloud VPN alone does not create redundant copies of data across regions—it only enables the underlying network path that a separate replication solution (e.g., Cloud Storage or database replication) would need to operate over.
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Cloud Digital Transformation
Key term
High availability
High availability is a system design approach that aims to keep applications and services operational and accessible with minimal downtime, even when some components fail.
Key term
Availability
Availability is the measure of how often a system or service is operational and accessible when needed, typically expressed as a percentage of uptime.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.