HOTSPOT
Contoso, Ltd., has an Office 365 tenant. All employees have Exchange Online mailboxes. You create a shared mailbox named [email protected].
You need to grant the permission to SendAs from the SharedMailbox1 mailbox to [email protected].
How should you complete the relevant Windows PowerShell commands? To answer, select the appropriate
Windows PowerShell commands from each list in the answer area.
Hot Area:
to manage Send As permissions. https://technet.microsoft.com/en-us/library/bb124403(v=exchg.160).aspx
Answer: 
Explanation:
In the Exchange Management Shell, you can use the Add-ADPermission and Remove-ADPermission cmdlets
This example grants Send As permissions for Aaron Painter to Terry Adams’s mailbox.
Add-ADPermission -Identity “Terry Adams” -User AaronPainter -AccessRights ExtendedRight -ExtendedRights
“Send As”
References:
Wrong
Add-RecipientPermission -identity [email protected] -AccessRights SendAs -Trustee [email protected]
Correct answer is Add-MailboxPermission
https://technet.microsoft.com/en-us/library/bb124403(v=exchg.160).aspx
Add-ADPermission
This cmdlet is available only in on-premises Exchange Server 2016.
Use the Add-ADPermission cmdlet to add permissions to an Active Directory object.
https://technet.microsoft.com/en-us/library/bb124097(v=exchg.160).aspx
Add-MailboxPermission
This cmdlet is available in on-premises Exchange and in the cloud-based service.
incorrect;
ad-adpermission, only use in on premise Exchange 2016,Use the Add-ADPermission cmdlet to add permissions to an Active Directory object.
https://technet.microsoft.com/en-us/library/bb124403(v=exchg.160).aspx
ithin that the correct option in box 1 is add-mailboxpermission
Wrong Answer
Correct:
Add-ReceptientPermission -identity [email protected] -AccessRights SendAs -Trustee [email protected]
Correct