QUESTION 11 When an AP accepts or rejects a wireless device it sends a or an frame O association response association request O disassociation O reassociation QUESTION 12 At regular intervals the AP in an infrastructure network or wireless device in an ad hoc network sends a e both to announce its presence and to provide the necessary information for other devices to join the network. O master O beacon O data O control QUESTION 13 What is the first step in shared key authentication? O AP encrypts challenge text and sends it to wireless device O wireless device encrypts challenge text and sends it to AP O AP sends wireless device an authentication frame that contains a block of text known as the challenge text O wireless device sends an authentication frame to the AP