An organization needs to retain all Microsoft Teams channel messages for its 'Executives' user group for 10 years. All other users' Teams messages must be deleted after 3 years. What is the most effective way to configure this using Microsoft Purview retention policies?
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A
Create a single retention policy for 3 years and apply a 10-year retention label to the Executives' Teams.
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B
Use Messaging Records Management (MRM) policies to define the different retention periods for the user groups.
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C
Create two separate retention policies for Teams. Scope one policy to the Executives group for 10 years and a second policy to all other users for 3 years, excluding the Executives group.
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D
Create one retention policy for Teams scoped to all users for 10 years and use a mail flow rule to delete messages older than 3 years for non-executives.