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    PracticeAzure Solutions Architect Expert (AZ-305)Azure Solutions Architect Expert AZ-305 Practice Exam 4Question 02
    Medium1 markMultiple Choice
    Domain 4.4: Design Network SolutionsNetworkingHybridExpressRoute
    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?

    View full case study page →

    AZ-305 · Question 02 · Domain 4.4: Design Network Solutions

    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 the hybrid network connectivity between the on-premises data centers and Azure to meet the technical constraints.

    Which connectivity solution should you recommend?

    Answer options:

    A.

    Site-to-Site VPN Gateway (VpnGw5)

    B.

    Azure ExpressRoute with a 10 Gbps circuit

    C.

    Azure Virtual WAN with VPN

    D.

    Azure Peering Service

    How to approach this question

    Look at the strict network constraints: 10 Gbps and guaranteed <20ms latency. Public internet-based solutions (VPN) cannot guarantee latency.

    Full Answer

    B.Azure ExpressRoute with a 10 Gbps circuit✓ Correct
    Azure ExpressRoute provides a private, dedicated connection to Azure. Because it does not traverse the public internet, it offers more reliability, faster speeds (up to 100 Gbps with ExpressRoute Direct), and consistent, lower latencies compared to typical internet connections, perfectly meeting the 10 Gbps and <20ms constraints.

    Common mistakes

    Selecting VPN Gateway because VpnGw5 supports 10 Gbps, forgetting that internet latency is unpredictable.
    Question 01All questionsQuestion 03

    Practice the full Azure Solutions Architect Expert AZ-305 Practice Exam 4

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    More questions from this exam

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