- A
Elasticity
Why wrong: Elasticity is the ability to automatically scale resources up and down based on demand. While Azure Site Recovery can be part of an elastic architecture, the primary benefit shown here is recovering from a disaster, not dynamic scaling.
- B
Pay-as-you-go pricing
Why wrong: Pay-as-you-go means you only pay for the resources you consume. While Azure Site Recovery incurs costs based on replication, the central benefit illustrated is the ability to recover from a disaster, not the pricing model.
- C
Disaster recovery and business continuity
Correct. Disaster recovery and business continuity ensure that applications can be restored quickly after a disruptive event. This is a major cloud advantage, as it allows organizations to implement robust DR without significant upfront capital investment.
- D
Geo-redundancy
Why wrong: Geo-redundancy refers to replicating data across multiple geographic locations to protect against datacenter failures. While Azure Site Recovery uses geo-replication, the benefit being demonstrated is the operational recovery (failover) itself, not just the storage redundancy. Geo-redundancy is a technical implementation detail, not the overarching business benefit.
Quick Answer
The answer is disaster recovery and business continuity, as this scenario directly demonstrates how Azure Site Recovery ensures operational resilience during a regional outage. By replicating Azure VMs from East US to West US, the company leverages asynchronous replication to maintain a synchronized copy of application data in a secondary region, enabling failover within minutes to restore services with minimal data loss. On the AZ-900 exam, this concept tests your understanding of how cloud services like Azure Site Recovery fulfill the high-availability pillar of the Well-Architected Framework, often appearing in scenario-based questions that contrast disaster recovery with high availability or backup. A common trap is confusing disaster recovery with simple backup—remember that backup restores data to a point in time, while disaster recovery restores entire infrastructure and operations. Memory tip: think of Site Recovery as your “region insurance” that flips the switch to a backup site when disaster strikes.
AZ-900 Describe cloud concepts Practice Question
This AZ-900 practice question tests your understanding of describe 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. A key principle to apply: azure Site Recovery (ASR) orchestrates replication, failover, and failback of workloads.. 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 runs a mission-critical application on Azure virtual machines. The application is hosted in the East US Azure region. To protect against a regional disaster, the company configures Azure Site Recovery to replicate the VMs to a secondary region (West US). If a disaster occurs in East US, the company can initiate a failover to West US and bring the application back online within minutes using the replicated data. Which cloud computing benefit does this scenario best demonstrate?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"best"Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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
Disaster recovery and business continuity
Option C is correct because Azure Site Recovery provides disaster recovery and business continuity by replicating Azure VMs from the primary region (East US) to a secondary region (West US). In the event of a regional disaster, failover can be initiated to bring the application online within minutes using the replicated data, ensuring minimal downtime and data loss. This directly aligns with the cloud benefit of disaster recovery and business continuity, which focuses on maintaining operations during catastrophic failures.
Key principle: Azure Site Recovery (ASR) orchestrates replication, failover, and failback of workloads.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Elasticity
Why it's wrong here
Elasticity is the ability to automatically scale resources up and down based on demand. While Azure Site Recovery can be part of an elastic architecture, the primary benefit shown here is recovering from a disaster, not dynamic scaling.
- ✗
Pay-as-you-go pricing
Why it's wrong here
Pay-as-you-go means you only pay for the resources you consume. While Azure Site Recovery incurs costs based on replication, the central benefit illustrated is the ability to recover from a disaster, not the pricing model.
- ✓
Disaster recovery and business continuity
Why this is correct
Correct. Disaster recovery and business continuity ensure that applications can be restored quickly after a disruptive event. This is a major cloud advantage, as it allows organizations to implement robust DR without significant upfront capital investment.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Azure Site Recovery (ASR) orchestrates replication, failover, and failback of workloads.
- ✗
Geo-redundancy
Why it's wrong here
Geo-redundancy refers to replicating data across multiple geographic locations to protect against datacenter failures. While Azure Site Recovery uses geo-replication, the benefit being demonstrated is the operational recovery (failover) itself, not just the storage redundancy. Geo-redundancy is a technical implementation detail, not the overarching business benefit.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse disaster recovery and business continuity with elasticity, because both involve scaling or moving resources, but elasticity is about dynamic scaling based on load, not about replicating data for failover during a disaster.
Trap categories for this question
Command / output trap
Elasticity is the ability to automatically scale resources up and down based on demand. While Azure Site Recovery can be part of an elastic architecture, the primary benefit shown here is recovering from a disaster, not dynamic scaling.
Detailed technical explanation
How to think about this question
Azure Site Recovery uses continuous replication at the block level, with a Recovery Point Objective (RPO) as low as 30 seconds for Azure VMs, and supports both planned and unplanned failover. During failover, the replicated VMs are started in the secondary region using the latest consistent recovery point, and you can also test failover without impacting production using isolated networks. In real-world scenarios, organizations combine Site Recovery with Azure Traffic Manager to automatically route traffic to the secondary region after failover, achieving a Recovery Time Objective (RTO) of minutes.
KKey Concepts to Remember
- Azure Site Recovery (ASR) orchestrates replication, failover, and failback of workloads.
- ASR supports replication between Azure regions, on-premises to Azure, and Azure Stack to Azure.
- Disaster recovery ensures application availability after a major disruptive event.
- Business continuity planning aims to maintain critical business functions during and after a disaster.
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
Azure Site Recovery (ASR) orchestrates replication, failover, and failback of workloads.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
Review azure Site Recovery (ASR) orchestrates replication, failover, and failback of workloads., then practise related AZ-900 questions on the same topic to reinforce the concept.
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FAQ
Questions learners often ask
What does this AZ-900 question test?
Describe cloud concepts — This question tests Describe cloud concepts — Azure Site Recovery (ASR) orchestrates replication, failover, and failback of workloads..
What is the correct answer to this question?
The correct answer is: Disaster recovery and business continuity — Option C is correct because Azure Site Recovery provides disaster recovery and business continuity by replicating Azure VMs from the primary region (East US) to a secondary region (West US). In the event of a regional disaster, failover can be initiated to bring the application online within minutes using the replicated data, ensuring minimal downtime and data loss. This directly aligns with the cloud benefit of disaster recovery and business continuity, which focuses on maintaining operations during catastrophic failures.
What should I do if I get this AZ-900 question wrong?
Review azure Site Recovery (ASR) orchestrates replication, failover, and failback of workloads., then practise related AZ-900 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Azure Site Recovery (ASR) orchestrates replication, failover, and failback of workloads.
About these practice questions
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Last reviewed: Jun 11, 2026
This AZ-900 practice question is part of Courseiva's free Microsoft 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 AZ-900 exam.
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