单选题Which of the following cable standards has a maximum effective range of 25 meters （82 feet）？（）A1000Base-CXB1000Base-TC1000Base-LXD1000Base-SX
单选题
Which of the following cable standards has a maximum effective range of 25 meters （82 feet）？（）
A
1000Base-CX
B
1000Base-T
C
1000Base-LX
D
1000Base-SX
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解析：
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