单项选择题

A. Configure all access points to use 802.1X authentication.
B. Configure all portable computers to use MS-CHAP v2 authentication.
C. Use the Group Policy Management Console to access the wireless Group Policy settings, and enable the Prevent connections to ad-hoc networks option.
D. Use the Group Policy Management Console to access the wireless Group Policy settings, and disable the Prevent connections to infrastructure networks option.