Which three actions are required to access the network statistics on a remote Cisco Unified Wireless IP Phone 7921G via a web browser?（）

A. Browse to the phone using the MAC address of the phone.
B. Use HTTPS:// preceding the address of the phone.
Change web access to read/write for the MAC address of the phone on Cisco Unified Communications Manager.
D. Enter the username and password of the phone.
Ensure that the host is on the same subnet as the remote phone.