Cloud Digital Leader Why cloud technology is transforming business Practice Question
This GCDL practice question tests your understanding of why cloud technology is transforming business. 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 financial services firm wants to improve disaster recovery without maintaining a second physical data center. They need to replicate data asynchronously and failover quickly. How does cloud transformation help?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Creating a replica in another Cloud Region using Cloud Storage and Cloud SQL replicas
Option D is correct because it leverages Cloud Storage for durable, asynchronous object replication and Cloud SQL replicas for cross-region database failover. This eliminates the need for a second physical data center while providing quick failover via a standby replica in another region, meeting the requirements for asynchronous replication and rapid recovery.
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.
✗
Setting up a VPC peering to a partner data center
Why it's wrong here
VPC peering does not include replication or failover mechanisms.
✗
Using managed instance groups in the same region
Why it's wrong here
Managed instance groups provide high availability within a region, not DR from region-level failures.
✗
Using tape backup stored offsite
Why it's wrong here
Tape backups have slow recovery times and require physical handling.
✓
Creating a replica in another Cloud Region using Cloud Storage and Cloud SQL replicas
Why this is correct
Cloud services enable cost-effective, automated cross-region replication for DR.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the misconception that VPC peering or same-region instance groups provide disaster recovery, when in fact they only address network connectivity or high availability within a single region, not cross-region failover.
Detailed technical explanation
How to think about this question
Cloud Storage uses multi-regional or dual-region buckets with asynchronous replication to ensure data durability across geographic distances, while Cloud SQL replicas use cross-region replication with a failover RTO typically under 60 seconds. Under the hood, Cloud SQL uses MySQL or PostgreSQL native asynchronous replication (e.g., binlog or WAL streaming) to keep the replica up-to-date, and failover is automated via a DNS change to the replica's IP. In a real-world scenario, a financial firm might use a Cloud SQL cross-region replica in us-central1 with a primary in us-east1, ensuring compliance with regulatory data residency requirements while meeting RPOs of minutes.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this GCDL question in full detail.
Why cloud technology is transforming business — This question tests Why cloud technology is transforming business — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Creating a replica in another Cloud Region using Cloud Storage and Cloud SQL replicas — Option D is correct because it leverages Cloud Storage for durable, asynchronous object replication and Cloud SQL replicas for cross-region database failover. This eliminates the need for a second physical data center while providing quick failover via a standby replica in another region, meeting the requirements for asynchronous replication and rapid recovery.
What should I do if I get this GCDL 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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Question Discussion
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