多选题Which two Ethernet fiber-optic modes support distances of greater than 550 meters？（）A1000BASE-CXB100BASE-FXC1000BASE-LXD1000BASE-SXE1000BASE-ZX
多选题
Which two Ethernet fiber-optic modes support distances of greater than 550 meters？（）
A
1000BASE-CX
B
100BASE-FX
C
1000BASE-LX
D
1000BASE-SX
E
1000BASE-ZX
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