You want to verify that an IP phone has downloaded a configuration file from a TFTP server.
Which of the following would you most likely do on the IP phone?

A.
Press settings > Network Configuration, and verify the TFTP server’s IP address.

B.
Press settings > Network Configuration, and verify the DHCP server’s IP address.

C.
Press settings > Network Configuration, and verify that DHCP is enabled.

D.
Press settings > Network Configuration, and verify the VLAN ID.

E.
Press settings > Status > Status Messages.

F.
Press settings > Status > Network Statistics.

Explanation:
You would most likely press settings > Status > Status Messages on the IP phone to verify that an IP phone
has downloaded a configuration file from a Trivial File Transfer Protocol (TFTP) server. A TFTP server is
required so that IP phones can download their startup configuration files. If an IP phone has successfully
downloaded a configuration file from a TFTP server, you will see output in Status Messages indicating the time
of the download and the name of the configuration file. A Session Initiation Protocol (SIP)-enabled phone
configuration file typically consists of the letters SEP and the Media Access Control (MAC) address of the IP
phone. Therefore, an IP phone with the MAC address 0012:3456:789A will attempt to download a configuration
file named SEP00123456789A.cnf.xml from the TFTP server. If the IP phone does not successfully download
the file, you might see one of the following messages in the Status Messages output:
-CFG file not found, which indicates that the TFTP server is reachable but that the configuration file was notfound on the TFTP server
-CFG TFTP Size Error, which indicates that the TFTP server is reachable and the configuration file is available
but that the configuration file is too large for the IP phone
-TFTP access error, which indicates that the IP phone can connect to the TFTP server but that the
configuration file directory does not exist
-TFTP Error, which indicates that the TFTP server generated an unknown error
-TFTP timeout, which indicates that the TFTP server did not respond to the download request
You would not press settings > Network Configuration on the IP phone and verify the virtual LAN (VLAN) ID.
Although you could verify that the IP phone is able to contact a Dynamic Host Configuration Protocol (DHCP)
server by ensuring that the DHCP server and the IP phone are operating on the same VLAN, the ability to
communicate with a DHCP server alone is not an indicator that the IP phone has successfully downloaded a
configuration file from the TFTP server.
You would not press settings > Network Configuration on the IP phone and verify the TFTP server’s IP address
to verify that an IP phone has downloaded a configuration file from a TFTP server. Although you could verify
that the TFTP server’s IP address is correct by viewing the information in the settings > Network Configuration
> TFTP Server 1field, a valid TFTP server IP address alone is not an indicator that the IP phone has
successfully downloaded a configuration file from the TFTP server.
You would not press settings > Network Configuration on the IP phone and verify that DHCP is enabled to verify
that an IP phone has downloaded a configuration file from a TFTP server. Although the IP phone can receive a
TFTP server IP address from a DHCP server, the configuration of a TFTP server IP address alone is not an
indicator that the IP phone has successfully downloaded a configuration file from the TFTP server.
You would not press settings > Network Configuration on the IP phone and verify the DHCP server’s IP address
to verify that an IP phone has downloaded a configuration file from a TFTP server. Although the IP phone can
receive a TFTP server IP address from a DHCP server, and the IP phone must be able to communicate with
the DHCP server so that the IP phone can receive network information from the DHCP server, verifying the
DHCP server IP address alone is not an indicator that the IP phone has successfully downloaded a
configuration file from the TFTP server.
You would not press settings > Status > Network Statistics on the IP phone to verify that an IP phone has
downloaded a configuration file from a TFTP server. The settings > Status > Network Statistics display provides
statistics about packets that have been transmitted to and from the IP phone. In addition, you can see whether
the IP phone is bound to a DHCP server. However, none of the information in the Network Statistics output
indicates that the IP phone has successfully downloaded a configuration file from the TFTP server.

Cisco: Viewing Status, Statistics, and Firmware Information on the Cisco Unified IP Phone: Status Messages
Screen
Cisco: Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone: Call Statistics Screen
Cisco: Configuring Settings on the Cisco Unified IP Phone: Network Configuration Menu