Hard1 markMultiple Choice
Domain 3.1: Backup and Disaster RecoveryBCDRSite RecoveryCompliance
This question is part of a case study — click to read the full scenario(Case 01)

CASE STUDY: Tailspin Toys

Tailspin Toys is a global manufacturing company with 50,000 employees across 30 countries. They currently operate a mix of on-premises infrastructure (500 servers across 5 data centers) and Azure (20 subscriptions with 100+ VMs and various PaaS services). Their annual IT budget is $50 million, with plans to migrate 70% of workloads to Azure within 2 years.

Business Requirements: The company needs to reduce IT costs by 30%, improve disaster recovery (current RTO: 24 hours -> target: 2 hours), enhance security posture to meet ISO 27001 and SOC 2 compliance, and enable remote work for 80% of employees. All solutions must support future growth of 20% annually.

Technical Constraints: Some legacy applications cannot be modified and must run on Windows Server 2012. Network connectivity requires 10 Gbps throughput to Azure with <20ms latency. GDPR compliance mandates that EU customer data must remain in European Azure regions.

You need to design a migration strategy for the legacy Windows Server 2012 applications. The solution must minimize operational overhead and maintain compliance while ensuring the applications remain supported.

Which compute solution should you recommend?

AZ-305 · Question 05 · Domain 3.1: Backup and Disaster Recovery

CASE STUDY: Tailspin Toys

Tailspin Toys is a global manufacturing company with 50,000 employees across 30 countries. They currently operate a mix of on-premises infrastructure (500 servers across 5 data centers) and Azure (20 subscriptions with 100+ VMs and various PaaS services). Their annual IT budget is $50 million, with plans to migrate 70% of workloads to Azure within 2 years.

Business Requirements: The company needs to reduce IT costs by 30%, improve disaster recovery (current RTO: 24 hours -> target: 2 hours), enhance security posture to meet ISO 27001 and SOC 2 compliance, and enable remote work for 80% of employees. All solutions must support future growth of 20% annually.

Technical Constraints: Some legacy applications cannot be modified and must run on Windows Server 2012. Network connectivity requires 10 Gbps throughput to Azure with <20ms latency. GDPR compliance mandates that EU customer data must remain in European Azure regions.

You are designing the disaster recovery strategy for the newly migrated Azure Virtual Machines to meet the 2-hour RTO requirement and GDPR constraints.

Which configuration should you recommend?

Answer options:

A.

Azure Backup with Geo-Redundant Storage (GRS) to East US

B.

Azure Site Recovery replicating from West Europe to North Europe

C.

Azure Backup with Zone-Redundant Storage (ZRS)

D.

Azure Site Recovery replicating from West Europe to UK South

How to approach this question

Combine the RTO requirement (ASR is faster than Backup) with the data residency constraint (must stay in EU).

Full Answer

B.Azure Site Recovery replicating from West Europe to North Europe✓ Correct
Azure Site Recovery replicating from West Europe to North Europe
Azure Site Recovery (ASR) provides continuous replication for VMs, enabling failover within minutes, easily meeting the 2-hour RTO. To comply with the GDPR constraint that data must remain in Europe, replicating between the West Europe (Netherlands) and North Europe (Ireland) paired regions is the correct architectural choice.

Common mistakes

Selecting UK South as the secondary region, forgetting that the UK is no longer part of the EU.

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