Your network contains an Active Directory domain. The domain contains one site.

You have an Exchange Server 2010 Service Pack 1 (SP1) organization that contains two Client Access servers, two Hub Transport servers, and three Mailbox servers. The mailbox servers are members of a database availability group (DAG) named DAG1.

You have a mailbox database named DB1. You configure two mailbox database copies of DB1. You verify that both mailbox database copies have a status of Healthy.

You need to ensure that an administrator is notified when the health status of a mailbox database copy changes.

What should you run from the Exchange Management Shell?

A.
Test- WebServicesConnectivity .

B.
Test-SystemHealth .

C.
Test-AvailabilityService .

D.
checkdatabaseredundancy.ps1.

E.
Test-ReplicationHealth.

F.
Test-SmtpConnectivity.

G.
Get-MailboxDataboxCopyStatus.

H.
Retry-Queue.

I.
Test-MailFlow.

J.
Get-MailboxDatabase.
K.
Test-SenderId.
L.
Get-SenderIdConfig.
M.
Test-MapiConnectivity.
N.
Test-OutlookWebServices.

Explanation:
Reference:

http://technet.microsoft.com/en-us/library/dd351258.aspx
http://gallery.technet.microsoft.com/scriptcenter/8833b4db-8016-47e5-b747-951d28faafe7