Cisco 400-051 Exam

Under which three conditions will a Cisco 9971 IP Phone request the “xmldefault.cnf.xml” file from a TFTP server in a Cisco Unified CM cluster? (Choose three)

  • A. The phone is registered to the CUCM cluster but need to update its firmware
  • B. The phone is attempting to register to the CUCM cluster for the first time
  • C. Auto-registration is disabled on CUCM cluster
  • D. The phone has not yet been defined in the CUCM database
  • E. The phone is attempting to change from SIP firmware to SCCP firmware
  • F. Auto-registration is enabled on CUCM cluster
Answer: Option B. D. F.
Explanation: 

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