HOTSPOT
You are the SharePoint Online administrator for Contoso, Ltd. The company purchases an Office 365 Enterprise El plan.
The public-facing website must use SharePoint Online and the custom domain contoso.com.
You need to configure the DNS settings for the public-facing SharePoint site.
How should you configure the DNS settings? Select the appropriate options from each list in the answer area.
Answer: 
Explanation:
The CNAME record is used to redirect one domain to another in the DNS system. When a name server looks up a domain and finds that it has a CNAME record, the server replaces thefirst domain name with the CNAME, and then looks up the new name.