You have a SharePoint Server 2010 web application named Portal. Portal is configured to use NTLM authentication.

From Central Administration, you configure Portal to use Kerberos authentication.

You need to ensure that Kerberos authentication can be used to authenticate Portal.

Which tool should you use?

A.
appcmd.exe

B.
psconfig.exe

C.
setspn.exe

D.
stsadm.exe

Explanation:
BURGOS MNEMO: "setspn.exe"