An administrator installed a Cisco Unified IP 8831 Conference Phone that is failing to register. Which two actions should be taken to troubleshoot the problem?
(Choose two.)
A. Verify that the switch port of the phone is enabled.
B. Check the RJ-65 cable.
C. Verify that the phone’s network can access the option 150 server.
D. Verify that the RJ-11 cable is plugged into the PC port.
E. Disable HSRP on the access layer switch.
