You have an Exchange Online tenant.
You must identify mailboxes that are no longer in use. You need to locate the inactive mailboxes.
Which Windows PowerShell command should you run?
A. Get-MailboxActivityReport-Expression
B. Get-StaleMailboxReport-StartDate
C. Get-MailboxActivityReport-StartDate
D. Get-StaleMailboxReport-Organization
This method is being deprecated as of January 29, 2018. See details, and information on replacement MS Graph APIs
available at https://techcommunity.microsoft.com/t5/Office-365-Blog/Announcing-the-General-Availability-of-Microsoft-Gr
aph-reporting/ba-p/137838.
(y)