You need to configure the conference room resource mailboxes in your Exchange Server 2007 organization to remove attached files from meeting requests. Which cmdlet should you run?

A.
Get-Mailbox -RecipientTypeDetails RoomMailbox ; Set-MailboxCalendarSettings – DeleteAttachments: $true

B.
Get-Mailbox -RecipientTypeDetails RoomMailbox | Set-MailboxCalendarSettings – DeleteAttachments: $true

C.
Get-Mailbox -RecipientTypeDetails RoomMailbox | Set-MailboxCalendarSettings – DeleteNonCalendarItems: $true

D.
Get-Mailbox -RecipientTypeDetails RoomMailbox ; Set-MailboxCalendarSettings – DeleteNonCalendarItems: $true