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AZ-305 · Question #299

AZ-305 Question #299: Real Exam Question with Answer & Explanation

The correct answer is D: Azure Front Door Premium. https://learn.microsoft.com/en-us/azure/frontdoor/front-door-faq#what-is-the-difference-between- azure-front-door-and-azure-application-gateway- While both Front Door and Application Gateway are layer 7 (HTTP/HTTPS) load balancers, the primary difference is that Front Door is a n

Submitted by femi9· Mar 6, 2026

Question

You have an Azure subscription that contains the resources shown in the following table. You create peering between VNet1 and VNet2 and between VNet1 and VNet3. The virtual machines host an HTTPS-based client/server application and are accessible only via the private IP address of each virtual machine. You need to implement a load balancing solution for VM2 and VM3. The solution must ensure that if VM2 fails, requests will be routed automatically to VM3, and if VM3 fails, requests will be routed automatically to VM2. What should you include in the solution?

Options

  • AAzure Firewall Premium
  • BAzure Application Gateway v2
  • Ca cross-region load balancer
  • DAzure Front Door Premium

Explanation

https://learn.microsoft.com/en-us/azure/frontdoor/front-door-faq#what-is-the-difference-between- azure-front-door-and-azure-application-gateway- While both Front Door and Application Gateway are layer 7 (HTTP/HTTPS) load balancers, the primary difference is that Front Door is a non-regional service whereas Application Gateway is a regional service. While Front Door can load balance between your different scale units/clusters/stamp units across regions, Application Gateway allows you to load balance between your VMs/containers etc. that is within the scale unit.

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