After rogue device detection is enabled, an AP monitors all 802.

After rogue device detection is enabled, an AP monitors all 802.11 packets from among the data packets and checks the DS fields in the packets to determine whether the device is an ad-hoc device, wireless bridge, STA, or AP. In an 802.11 MAC frame, the To DS field is set to 0 and the From DS field is set to 1 in the Frame Control field. Which of the following is the corresponding device type?