Update samples/manage/azure-sql-db-managed-instance/attach-jumpbox/azuredeploy.json

Usign best practice naming conventions from:https://docs.microsoft.com/en-us/azure/architecture/best-practices/naming-conventions#networking

Author: JocaPC

samples/manage/azure-sql-db-managed-instance/attach-jumpbox/azuredeploy.json

@@ -42,9 +42,9 @@
     },
     "variables": {
         "virtualMachineSize": "Standard_B2s",
-        "networkInterfaceName": "[concat('nic', parameters('virtualMachineName'))]",
-        "publicIPAddressName": "[concat('ip', parameters('virtualMachineName'))]",
-        "networkSecurityGroupName": "[concat('nsg', parameters('virtualMachineName'))]",
+        "networkInterfaceName": "[concat(parameters('virtualMachineName'),'-nic0')]",
+        "publicIPAddressName": "[concat(parameters('virtualMachineName'),'-pip')]",
+        "networkSecurityGroupName": "[concat(parameters('virtualMachineName'),'-nsg')]",
         "scriptFileUri": "https://raw.githubusercontent.com/Azure/azure-quickstart-templates/master/201-sqlmi-new-vnet-w-jumpbox/installSSMS.ps1"
     },
     "resources": [