Go back to 500-051 - Unified Communications Contact Center Express Implementation - UCCX

Question :-

Which action would you take to convert a high availability over LAN deployment to high availability over WAN?
Apply a ''Warm Standby'' license.
Apply a ''WAN Standby'' license.
Do a fresh installation of the whole system as high availability over WAN.
Reinstall second Cisco Unified CCX node and add it to cluster over WAN.

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