You plan to deploy a service named Service1. When you deplay Service1, you plan to deploy several SQL
scripts to a virtual machine named VM1 by using an Application Profile. You need that ensure that a user
named User1 is prompted for the name of the SQL instance during the deployment of Service1.
Which value should you add to the Application Profile

A.
$SQLServerInstanceName$

B.
#SQLServerInstanceName#

C.
@SQLServerInstanceName@

D.
%SQLServerInstanceName%

Explanation:
https://technet.microsoft.com/en-us/library/hh427291(v=sc.12).aspx