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多項選擇題

Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies? (Choose two.)（）

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

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單項選擇題

Which protocol provides a method of sharing VLAN configuration information between switches?（）

A.VTP
B.STP
C.ISL
D.802.1Q
E.VLSM

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