You are the Network technician at Certkiller . Some of the Certkiller users reported that they are able to access the CME GUI homepage, but cannot login. Which of the following commands will be valid and allow users to login to CME GUI? (Choose all that apply.)

A.
Router (config-ephone) # username.

B.
Router (config-telephony)#username

C.
Router (config-telephony)#web admin

D.
Router (config-ephone) # Web admin.

E.
All of the above.