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 full mailbox access to [email protected] for the SharedMailbox1 mailbox.
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:
Answer: 
Explanation:
The Add-MailboxPermission is available in on-premises Exchange Server 2016 and in the cloud-based service.
Some parameters and settings may be exclusive to one environment or the other.
Use the Add-MailboxPermission cmdlet to add permissions to a mailbox.It applies to Exchange Online and
Exchange Server.
Example:
This example grants Kevin Kelly full access to Terry Adams’s mailbox.Add-MailboxPermission -Identity “Terry Adams” -User KevinKelly -AccessRights FullAccess -InheritanceType
Allhttps://technet.microsoft.com/en-us/library/bb124097(v=exchg.160).aspx
The first box is wrong, it should be “add-RecipientPermission”
The answer is correct. Add-RecipientPermission is used when providing SendAs. In this example they need FULL permissions so Add-MailboxPermission is the right choice.
Yup, original answer is correct. Tested in Lab.
tested answer is correct