What are two reasons (or this issue?

During the Cisco IP Phone registration process, the TFTP download (ails.

What are two reasons (or this issue? (Choose two.)
A . The DNS server was not specified, which is needed to resolve the DHCP server IP address.
B . Option 100 string was not specified, or an incorrect Option 100 string was specified.
C . The Cisco IP Phone does not know the IP address of the TFTP server.
D . The Cisco IP Phone does not know the IP address of any of the Cisco UCM Subscriber nodes.
E . Option 150 string was not specified, or an incorrect Option 150 string was specified.

View Answer

Answer: C, E