Refer to the exhibit.

Apple Push Notification integration is configured in a Cisco Unified IM and Presence deployment and has been working property. Administrators now report the error "Push notification settings cannot be configured.
400 Bad Request." in the GUI, and HTTP logs are displaying the errors that are shown in the exhibit. Which action solves this issue?

Which authentication method allows a user to log in to an SSO-enabled Cisco Unified Communications application by utilizing a Microsoft Windows login, thereby not requiring any credentials to be entered?

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?

A customer is using Cisco Unified IM and Presence with high availability and has reported that their primary node is not providing any IM and Presence services. What is causing this issue?

Refer to the exhibit. After receiving a new desk phone, the Jabber user can no longer make calls via phone control. The help desk collected the user's Jabber problem report and verified that they the correct Cisco UCM CTI permissions. Which configuration must be changed to correct this issue?