Your subscription contains three peered VNets. Virtual machines host an HTTPS-based client/server application and are accessible only by their private IP addresses. You must implement a load balancing solution for VM2 and VM3 such that if one VM fails, requests are automatically routed to the other VM. Which Azure service should you include in the solution?

Azure Front Door Premium is the correct choice because it is a global, highly available, and scalable entry point that uses the Microsoft global edge network to create fast, secure, and widely scalable web applications. It provides Layer 7 load balancing, which is essential for an HTTPS-based application, and can route traffic based on URL path, host headers, and other HTTP/HTTPS attributes. Its health probes can detect VM failures and automatically redirect traffic to healthy instances, ensuring high availability. Azure Firewall Premium is a stateful firewall and does not provide load balancing. Azure Application Gateway v2 is a regional Layer 7 load balancer and would not span across peered VNets for global load balancing in this scenario. A cross-region load balancer is a generic term; Azure Front Door is the specific Azure service that fulfills this requirement.