You have an Azure subscription that contains four virtual machines. The virtual machines host an app named App1. You deploy an Azure Standard Load Balancer name...

You have an Azure subscription that contains four virtual machines. The virtual machines host an app named App1.
You deploy an Azure Standard Load Balancer named LB1 to load balance incoming HTTPS requests to App1.
You need to reduce how long it takes for LB1 to stop sending App1 traffic to failed servers. The solution must minimize administrative effort.
What should you modify?

A. the Backend pools settings B. the Diagnostic settings C. the Load-balancing rules D. the Health probes settings