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 Skype users.
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.