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Question 71 - MS-203 discussion
You have an on-premises Microsoft Exchange Server 2019 organization.
You plan to configure the environment to support a hybrid deployment.
You need to ensure that you can migrate mailboxes from the on-premises organization to Exchange Online. Which two ports should be open between Exchange Online and the on-premises organization? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
A.
25
B.
80
C.
143
D.
389
E.
443
F.
993
Your answer:
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