MS-700 Practice Question 3239

Exam: MS-700
Domain: Configure and manage a Teams environment
Difficulty: easy
In a hybrid environment, which DNS record must point to sipdir.online.lync.com to support Teams and Skype for Business online federation discovery?

Answer Options

A
_sipfederationtls._tcp.<domain> pointing to sipdir.online.lync.com
B
autodiscover.outlook.com CNAME
C
mail.protection.outlook.com MX record
D
A record pointing to 127.0.0.1

Correct Answer

A: _sipfederationtls._tcp.<domain> pointing to sipdir.online.lync.com

Explanation

The SRV record _sipfederationtls._tcp.<domain> pointing to sipdir.online.lync.com over port 5061 is required for SIP federation discovery.
Reference: https://learn.microsoft.com/en-us/microsoftteams/troubleshoot/known-issues/teams-exchange-interaction-issue

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MS-700 Practice Question 3239 – Configure and manage a Teams environment