How should you configure the record?

HOTSPOT
A company has an Office 365 tenant. You use the domain contoso.com for both email and session initiation
protocol (SIP) addresses. You plan to deploy Skype for Business Online and enable federation for all Skypeusers.
You need to create a DNS record to support Skype for Business Online federation.
How should you configure the record? To answer, select the appropriate option from each list in the answer
area.
NOTE: Each correct selection is worth one point.
Hot Area:

Answer:

Explanation:
https://support.office.com/en-us/article/Create-DNS-records-for-Office-365-using-Windows-basedDNS-9eec911d-5773-422c-9593-40e1147ffbde