- A
Cloud migration — moving workloads from on-premises to cloud permanently.
Why wrong: Cloud migration is a permanent move. Cloud bursting is a dynamic, temporary use of cloud capacity for overflow, with base workloads remaining on-premises.
- B
Cloud bursting — using cloud capacity to handle overflow when on-premises resources are exhausted.
Cloud bursting dynamically extends on-premises capacity with cloud resources during peaks. It's an elastic hybrid pattern where cloud supplements (not replaces) on-premises infrastructure.
- C
Multi-cloud — using multiple cloud providers for redundancy.
Why wrong: Multi-cloud uses multiple cloud providers simultaneously. Cloud bursting extends on-premises to one cloud provider during peaks.
- D
Disaster recovery — using cloud as a failover site when on-premises fails.
Why wrong: Disaster recovery activates cloud resources when on-premises fails (unplanned). Cloud bursting extends capacity during planned peak periods — a capacity management pattern, not a recovery pattern.
Quick Answer
The answer is cloud bursting, the architectural pattern that uses cloud capacity for on-premises overflow during demand spikes. This approach is correct because it dynamically provisions public cloud resources—such as compute instances in a virtual private cloud—only when local infrastructure is exhausted, allowing base workloads to remain on-premises while seamlessly scaling into the cloud for seasonal peaks. On the Google Cloud Digital Leader exam, this scenario tests your understanding of hybrid cloud overflow strategies, often appearing as a scenario where a company needs cost-effective elasticity without full migration. A common trap is confusing cloud bursting with load balancing across regions or with full cloud migration; remember that bursting is temporary and triggered only by local capacity limits. Memory tip: think of a bursting pipe—your on-premises system holds steady until pressure (demand) exceeds capacity, then the cloud “bursts” in to handle the overflow.
Cloud Digital Leader Fundamental cloud concepts Practice Question
This GCDL practice question tests your understanding of fundamental cloud concepts. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 company's on-premises applications occasionally need more compute capacity than their own infrastructure can provide (during seasonal peaks). They want to use cloud resources to handle the overflow traffic while keeping base workloads on-premises. Which cloud architectural pattern describes this?
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 bursting — using cloud capacity to handle overflow when on-premises resources are exhausted.
Option B is correct because cloud bursting is the architectural pattern specifically designed to handle overflow traffic by dynamically provisioning cloud resources when on-premises capacity is exhausted. This allows the company to maintain base workloads on their own infrastructure while seamlessly scaling into the cloud during seasonal peaks, typically using orchestration tools like AWS Auto Scaling or Azure VM Scale Sets to burst into a virtual private cloud (VPC) or virtual network (VNet).
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.
- ✗
Cloud migration — moving workloads from on-premises to cloud permanently.
Why it's wrong here
Cloud migration is a permanent move. Cloud bursting is a dynamic, temporary use of cloud capacity for overflow, with base workloads remaining on-premises.
- ✓
Cloud bursting — using cloud capacity to handle overflow when on-premises resources are exhausted.
Why this is correct
Cloud bursting dynamically extends on-premises capacity with cloud resources during peaks. It's an elastic hybrid pattern where cloud supplements (not replaces) on-premises infrastructure.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Multi-cloud — using multiple cloud providers for redundancy.
Why it's wrong here
Multi-cloud uses multiple cloud providers simultaneously. Cloud bursting extends on-premises to one cloud provider during peaks.
- ✗
Disaster recovery — using cloud as a failover site when on-premises fails.
Why it's wrong here
Disaster recovery activates cloud resources when on-premises fails (unplanned). Cloud bursting extends capacity during planned peak periods — a capacity management pattern, not a recovery pattern.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the distinction between cloud bursting and disaster recovery, where candidates mistakenly choose disaster recovery because both involve using cloud resources as a backup, but disaster recovery is for failover during outages, not for handling peak demand.
Detailed technical explanation
How to think about this question
Cloud bursting relies on a hybrid cloud architecture where on-premises applications are connected to cloud resources via a VPN or direct connection (e.g., AWS Direct Connect or Azure ExpressRoute). The burst is typically triggered by monitoring metrics like CPU utilization or queue depth, and orchestration tools (e.g., Terraform or AWS CloudFormation) automatically spin up cloud instances that join the same network segment as on-premises servers, often using a shared load balancer to distribute traffic. A subtle behavior is that stateful applications may require session persistence or database synchronization to avoid data inconsistency during the burst.
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
An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.
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 GCDL question test?
Fundamental cloud concepts — This question tests Fundamental cloud concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cloud bursting — using cloud capacity to handle overflow when on-premises resources are exhausted. — Option B is correct because cloud bursting is the architectural pattern specifically designed to handle overflow traffic by dynamically provisioning cloud resources when on-premises capacity is exhausted. This allows the company to maintain base workloads on their own infrastructure while seamlessly scaling into the cloud during seasonal peaks, typically using orchestration tools like AWS Auto Scaling or Azure VM Scale Sets to burst into a virtual private cloud (VPC) or virtual network (VNet).
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.
About these practice questions
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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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