You plan to deploy a Lync Server 2013 infrastructure.
The planned infrastructure will contain client computers that run Windows 8 and the Lync Windows Store app.
You need to ensure that the computers can use the automatic client sign-in feature for the Lync
Windows Store app.
Which DNS records should you create?
A.
sipinternal.contoso.com and sipexternal.contoso.com
B.
sip.contoso.com and sipinternal.contoso.com
C.
lyncdiscover.contoso.com and lyncdiscoverinternal.contoso.com
D.
_sipinternaltls._tcp.contoso.com and _sip._tls.contoso.com