Hotspot Question
You have an Azure Web App that uses the URL contoso.azurewebsites.net. The virtual IP address
of the web app is subject to change. Users must be able to navigate to a custom domain name to
access the Web App. You set up the DNS records for a custom domain at a third party registrar.
You need to configure the web app to use the custom domain name. For each mapping, which
DNS record type should you create? To answer, select the appropriate DNS record type from each
list in the answer area.

Answer:

Explanation:
https://azure.microsoft.com/en-gb/documentation/articles/web-sites-custom-domain-name/