多选题Which three of these are characteristics of UTP cable？（）AThe wires in each pair are wrapped around each otherBAn insulating material covers each of the individual copper wires in itCIt comes in eight-pair wire bindlesDEMI and RFI cause only limited degradation to signals running over itEIt comes in seven categoriesFIT has an external diameter of approximately 0 28 inches
多选题
Which three of these are characteristics of UTP cable？（）
A
The wires in each pair are wrapped around each other
B
An insulating material covers each of the individual copper wires in it
C
It comes in eight-pair wire bindles
D
EMI and RFI cause only limited degradation to signals running over it
E
It comes in seven categories
F
IT has an external diameter of approximately 0 28 inches
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