You are configuring DNS for SharePoint Online.
You need to create the appropriate type of DNS record.
Which type of DNS record should you create?
A. A DNS CNAME record pointing to sharepoint.contoso.com.
B. A DNS CNAME record pointing to contoso.sharepoint.com.
C. A DNS A record pointing to the IP address of the SharePoint Online servers.
D. A DNS TXT record containing an Office 365 validation code.