Refer to the exhibit.

Users connected to the internal network report a "Cannot communicate with the server" error while trying to log in to Cisco Jabber using auto service discovery. The Jabber diagnostics and the SRV record configuration are as shown in the exhibit. The host cucm1.ccnp.cisco.com is correctly resolved by the user desktops with the Cisco Unified Communications Manager IP address. Why is the user not able to log in?

An engineer is configuring Cisco Unity Connection to provide messaging services and needs to designate a set of phone numbers to be used for transferring calls within the organization to prevent toll fraud. Which mechanism in Cisco Unity Connection should be modified to accomplish this goal?

A collaboration engineer troubleshoots an Issue with Cisco IM and Presence federated with Microsoft Skype for Business. A Cisco Jabber user reports being unable to see the presence status of a user on Microsoft Skype for Business when searching for the Microsoft user. Which action resolves this issue?

Which two authentication methods does Integrated Windows Authentication use to validate Windows credentials? (Choose two.)

Refer to the exhibit. A collaboration engineer restored a failed primary node of an active/standby IM and presence subcluster. The engineer notices that users fallback to the node occurred. Which action resolves this issue?