單項選擇題Which encryption type does WPA2 use?()

A.AES-CCMP
B.PPK via IV
C.PSK
D.TKIP/MIC


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1.多項選擇題Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)()

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

2.單項選擇題Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?()

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.

5.多項選擇題Which of the following are types of flow control? (Choose three.)()

A.buffering
B.cut-through
C.windowing
D.congestion avoidance
E.load balancing

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