What should you consider making use of?

You are employed as a developer at ABC.com. ABC.com network has an Active Directory domain,
named ABC.com. ABC.com’s network includes a Microsoft Exchange Server 2010 Service Pack 2
(SP2) organization, as well as a Lync Server 2013 setup.
You have been instructed to generate the new auto attendant contact object.
What should you consider making use of?

A.
The OcsUmUtil.psl script.

B.
The exchucutil.psl script.