300-070 Question #10: Real Exam Question with Answer & Explanation

The correct answer is C: Assign a different call group as the auto-registration Cisco Unified CallManager group.. Cisco Unified Communications Manager does not allow you to directly delete a CUCM group that is currently designated as the auto-registration group, because it is actively referenced by the system for registering new devices. To delete it, you must first reassign auto-registratio

Question

You need to delete an auto-registration Cisco Unified Communications Manager group for a cluster. What should you do?

Options

ARemove the Cisco Unified CallManager group devices.
BDisable auto-registration settings in the Cisco Unified CallManager group.
CAssign a different call group as the auto-registration Cisco Unified CallManager group.
DDelete the auto-registration Cisco Unified CallManager group without performing any action.

Explanation

Cisco Unified Communications Manager does not allow you to directly delete a CUCM group that is currently designated as the auto-registration group, because it is actively referenced by the system for registering new devices. To delete it, you must first reassign auto-registration to a different CUCM group (answer C). Once another group is set as the auto-registration group, the original group is no longer referenced in that capacity and can be safely deleted. A (removing devices from the group) does not remove the auto-registration designation. B (disabling auto-registration settings) may prevent new registrations but does not remove the group's auto-registration designation in a way that allows deletion. D (deleting without any prior action) will fail because CUCM prevents deletion of the actively designated auto-registration group.

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