Refer to the exhibit.

An administrator is configuring a new phone on a Cisco UCM cluster and the phone failed to register. The Cisco UCM cluster is in non-secure mode. Which action resolves the issue?
Which endpoint feature is supported using Mobile and Remote Access through Cisco Expressway?
Which layer is the optimal trust boundary for an untrusted Cisco endpoint?
An administrator is configuring Entra ID synchronization with Cisco Webex Control Hub using SCIM Which two actions must be taken to enable user synchronization and attribute mapping? (Choose two.)