A Cisco Unified CallManager cluster contains a first node and four subsequent nodes. If the first node becomes unavailable, which three of these statements are true? (Choose three.)
A.
The Informix database automatically locks.
B.
New Cisco Unified CallManager devices can be configured.
C.
The Informix database will save configuration changes on subsequent nodes to be uploaded to the first node when available.
D.
All IP telephony devices continue to operate.
E.
Available Cisco Unified CallManager servers work from the local backup database.
F.
All on-net calls are dropped