You need to ensure that 10 new room mailboxes automatically accept meeting requests.

Which cmdlet should you run?

A.
Set-CalendarNotification.

B.
Set-CalendarProcessing.

C.
Set-MailboxAutoReplyConfiguration.

D.
Set-MailboxCalendarConfiguration .

Explanation:
Set-CalendarProcessing -Identity “Conf 212” -AutomateProcessing AutoAccept -DeleteComments $true -AddOrganizerToSubject $true -AllowConflicts $false

Reference:

http://technet.microsoft.com/en-us/library/dd335046.aspx