单选题Which of the following would be the MINIMUM cable type that would allow a transmission speed of1GB between two locations 250 meters (820 feet) apart?（）AMulti-mode fiberBCAT6CCAT5eDSingle-mode fiber
单选题
Which of the following would be the MINIMUM cable type that would allow a transmission speed of1GB between two locations 250 meters (820 feet) apart?（）
A
Multi-mode fiber
B
CAT6
C
CAT5e
D
Single-mode fiber
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