Microsoft Azure Administrator Associate AZ-104 Practice Question
Your company owns the domain 'contoso.com', which is managed as a public zone in Azure DNS. You have a web application running on an Azure Virtual Machine that is accessible via a public network address. You need to configure settings so that users on the internet can access the web application using 'app.contoso.com'. What should you do to accomplish this?
Create an MX record in the 'contoso.com' zone pointing 'app' to the address of the virtual machine
Create a CNAME record in the 'contoso.com' zone pointing 'app' to the address of the virtual machine
Create an A record in the 'contoso.com' zone mapping 'app' to the address of the virtual machine
Create an NS record in the 'contoso.com' zone for 'app' pointing to the name servers of the virtual machine