Which encryption type does WPA2 use?（）

A.transparent
B.auto
C.on
D.desirable
E.blocking
F.forwarding

A.Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.
B.Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.
C.Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.
D.Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.

A.copier
B.microwave oven
C.toaster
D.cordless phone
E.IP phone
F.AM radio