AzurePowershell

$location = "CentralUs"
$resgName = "networkfromps"
# Create a resource group
$networkresg = New-AzureRmResourceGroup -Name $resgName -Location $location
# create a network
$network = New-AzureRmVirtualNetwork -Name ntier -Location $location -AddressPrefix "10.26.0.0/16" -ResourceGroupName $resgName 
# creating Web subnet
$webSubnet = Add-AzureRmVirtualNetworkSubnetConfig -Name "Web" -AddressPrefix "10.26.0.0/24" -VirtualNetwork $network
# Create Business Subnet
$businessSubnet = Add-AzureRmVirtualNetworkSubnetConfig -Name "Business" -AddressPrefix "10.26.1.0/24" -VirtualNetwork $network

#Submitting changes to Azure
Set-AzureRmVirtualNetwork -VirtualNetwork $network

# Create Linux VM in Web Subnet

# Create Windows Vm in Business Subnet