300-070 · Question #217
What happens when the TFTP server is not available?
The correct answer is B. Phones can't download configuration. Cisco IP phones rely on the TFTP server during the boot process to download their configuration files, firmware images, and dial plan files. When a phone powers on or resets, it contacts the TFTP server to retrieve these files before it can register with CUCM. If the TFTP…
Question
What happens when the TFTP server is not available?
Options
- ACUCM can't read phone configurations
- BPhones can't download configuration
- CPhones need to be restarted
- DTFTP server needs to be restarted
How the community answered
(42 responses)- A2% (1)
- B88% (37)
- C7% (3)
- D2% (1)
Explanation
Cisco IP phones rely on the TFTP server during the boot process to download their configuration files, firmware images, and dial plan files. When a phone powers on or resets, it contacts the TFTP server to retrieve these files before it can register with CUCM. If the TFTP server is unavailable, the phone cannot obtain its configuration and therefore cannot complete registration or operation. Phones that are already registered and have cached their configuration may continue to function temporarily, but any phone that needs to re-download its config (e.g., after a reset) will be unable to do so.
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