From which network service does a Cisco IP phone request the configuration file during the bootup process?

From which network service does a Cisco IP phone request the configuration file during the bootup process?
A . Cisco Unified Communications Manager
B . DHCP server
C . Cisco Catalyst switch
D . Phone’s local default configuration in the flash memory is used
E . TFTP server

View Answer

Answer: E

Explanation:

https://community.cisco.com/t5/collaboration-voice-and-video/ip-phone-sccp-amp-sip-phone-registration-process-with-cucm/ta-p/3109183#:~:text=The%20phone%20contacts%20the%20TFTP%20server%20and%20re quests%20its%20configuration%20file.