What should be done to a subscriber in the event of a failure of the publisher CallManager?

A.
A subscriber CCM should be promoted to a publisher.

B.
A subscriber CCM should be left alone until a new publisher is built.

C.
A subscriber CCM should be used to restore the publisher database.

D.
A subscriber CCM should become the primary CallManager for all devices.

Explanation:
Page 507 – CIPT Student Guide 3.3
If the publisher fails, you must restore the publisher server from the last successful database backup.