Refer to the exhibit. Based on the SIP message response from a Cisco Local Gateway, this outbound call from user1 returned a 404 Not Found SIP Error Message. Which issue must the administrator address?

An employee has recently left an organization and a manager suspects that this employee may have made changes to the system that no one is aware of. Mobile and Remote Access registration is not working. Internal communications appear to be working, but no external system is able to register or call anywhere. While investigating this problem, it is discovered that no internal systems are able to call externally either. What is the TraversalZone missing that is causing this issue?

An administrator installs a new webserver (server1.example.com - 10.1.1.90) for storing Cisco Jabber update files to the network, but all Mobile and Remote Access registered clients still run the old Jabber software version, and the update fails. Which configuration task on an Expressway server solves the Jabber software update issue?

Refer to the exhibit. A Webex Calling administrator for a company with multiple locations reports that dialing *88* to reach the IT help desk is not working from the SJC office, though it works from other locations. Why is the call is not routing correctly from the SJC office?

An enterprise is deploying Hybrid Data Security to retain full control over encryption keys while using Webex cloud services for messaging and meetings. An engineer must ensure that:
- All message content is encrypted end-to-end.
- The Key Management Server is hosted on-premises.
- Compliance officers can still perform eDiscovery.
- The deployment integrates with Control Hub for user and policy
management.
Which action must be taken to meet the requirements?