A company uses azure resource manager (ARM) templates to create resources.

A company uses azure resource manager (ARM) templates to create resources.
The following segment is from one of the company’s arm templates.
"properties":{
Routes: {
{
:name": "myroute";
"properties" {
"addressprefix": "{parameters)(‘backendsubnetprefix’)};
"nexthoptype": ""virtualappliance",
"nexthopipaddress" : "[parameters(vmIPaddress’)]
} } ]
The type of route defined is (Choose the best answer):
A. UDR-Frontend
B. UDR-BackEnd
C. VNet
D. Internet

Correct Answer: A
Explanation/Reference:
Explantion:
To better illustrate how to create UDRs, this document uses the following scenario:

In this scenario, you create one UDR for the Front-end subnet and another UDR for the Back-end subnet, as follows:
UDR-FrontEnd. The front-end UDR is applied to the FrontEnd subnet, and contain one route:
RouteToBackend. This route sends all traffic to the back-end subnet to the FW1 virtual machine.
UDR-BackEnd. The back-end UDR is applied to the BackEnd subnet, and contain one route:
RouteToFrontend. This route sends all traffic to the front-end subnet to the FW1 virtual machine.
References: https://docs.microsoft.com/en-us/azure/virtual-network/virtual-network-create-udr-classic-cli