Microsoft
74-325 · Question #67
Which perimeter network firewall ports must be open to allow full Microsoft Lync Online functionality? (Each correct answer presents part of the solution. Choose three.)
The correct answer is A. Outbound TCP 443 D. Outbound TCP 3478 E. Outbound UDP 3478. The ports that must be open in the external firewall include: Audio, video, application sharing sessions Audio, video sessions
Administration of Lync Online
Question
Which perimeter network firewall ports must be open to allow full Microsoft Lync Online functionality? (Each correct answer presents part of the solution. Choose three.)
Options
- AOutbound TCP 443
- BOutbound UDP 50000 - 59999
- COutbound UDP 443
- DOutbound TCP 3478
- EOutbound UDP 3478
How the community answered
(30 responses)- A80% (24)
- B13% (4)
- C7% (2)
Explanation
The ports that must be open in the external firewall include: Audio, video, application sharing sessions Audio, video sessions
Topics
#Lync Online#firewall ports#network requirements#TCP UDP ports
Community Discussion
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