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You have an Azure subscription that contains the following resources:
A virtual network that has a subnet named Subnet1
Two network security groups (NSGs) named NSG-VM1 and NSG-Subnet1
A virtual machine named VM1 that has the required Windows Server configurations to allow Remote Desktop connections
NSG-Subnet1 has the default inbound security rules only.
NSG-VM1 has the default inbound security rules and the following custom inbound security rule:
Priority: 100
Source: Any
Source port range: *
Destination: *
Destination port range: 3389
Protocol: UDP
Action: Allow
VM1 connects to Subnet1. NSG1-VM1 is associated to the network interface of VM1. NSG-Subnet1 is associated to Subnet1.
You need to be able to establish Remote Desktop connections from the internet to VM1.
Solution: You add an inbound security rule to NSG-Subnet1 that allows connections from the Any source to the * destination for port range 3389 and uses the TCP protocol. You remove NSG-VM1 from the network interface of VM1.
Does this meet the goal?
A. Yes
B. No
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Ok, how this is a no? I don’t understand. A virtual machine named VM1 that has the required Windows Server configurations to allow Remote Desktop connections is, if I understand correctly, the open port you set when you build a VM. Therefore ports on NIC are open. Then you assign a NSG with a rule that also allows RDP to NIC, then you remove that NSG which leaves the VM in the start state – so ports should be still open because you did that in VM creation. Lastly, you add a rule to subnet, that allows traffic… so what do I do not understand here? does the removal of NSG remove also previous VM setting or what