You have an isolated Hyper$-$V lab setup windows Server $2016$ datacenter edition. Your environment is prevented from accessing internet. You need to deploy multiple $2012$ R$2,$ and $2016$ server in this environment. Which activation model should be used in this scenario?Select one: a$.1.$ Multiple Activation Key $($MAK$)$ b$.$ Key Management Service $($KMS$)$ c$.$ Automatic Virtual Machine Activation $($AVMA$)$ d$.$ Original Equipment Manufacturer $($OEM$)$ key