Which statement describes a role of AXL communications in the BLF Plug-in Service of the Cisco Unified Attendant Console?
A. The AXL communications allow registered attendants to log in to Cisco Unified Communications Manager and receive calls.
B. The AXL communications enable Device Resolution Manager to resolve the device statuses of operator and system devices.
C. The AXL communications is required after installation to verify that the specified CTI manager or managers and Cisco Unified Attendant Console versions match.
D. The AXL communications is required after installation to verify that the specified CTI manager or managers and Cisco Unified CM versions.
I agree the answer is B
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/cucmac/cuaca/12_0_4/admin_guide/CUACA_AG_120402.pdf
should be B
//D explain the situation after the full installation process is completted – but the version check is made by the installation, not after