You support Skype for Business Server 2015 servers in your customer’s company network. You plan to configure Extensible Messaging and Presence Protocol
(XMPP) federation with an instant messaging partner.
XMPP users must not be able to communicate with Skype for Business users without direct authorization. The XMPP federated partner supports only:
unencrypted TCP connections for server-to-server XMPP federation
Server Dialback for identity verification
You need to configure the negotiation settings for the XMPP federated partner.
On the configuration options page for XMPP Federated Partners, what should you do? To answer, select the appropriate options in the dialog box in the answer