Which file does a Cisco IP phone with MAC address 1111.2222.3333 request from the TFTP server when TFTP configuration encryption is enabled?
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A. B. C. D. E.B.
When TFTP configuration encryption is enabled on a Cisco IP phone, the phone requests an encrypted configuration file from the TFTP server. The name of the encrypted configuration file is derived from the MAC address of the phone.
The format of the encrypted configuration file name is SEP<mac_address>.cnf.xml.enc, where <mac_address> is the MAC address of the phone in lowercase hexadecimal format.
Therefore, in this case, the phone with MAC address 1111.2222.3333 would request the file SEP111122223333.cnf.xml.enc from the TFTP server when TFTP configuration encryption is enabled.
Option A is the correct answer, as it matches the naming convention for the encrypted configuration file when TFTP configuration encryption is enabled. Option B and C are incorrect because they include additional signatures and/or encryption formats that are not included in the naming convention. Option D is incorrect because it refers to the default configuration file, which is not specific to this phone. Option E is incorrect because it does not include the "cnf" and "xml" components of the file name.