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单选题
To provide efficient roaming between the cells， which percent of cell overlap is recommended for2.4 GHz and 5 GHz access points？（）
A
5 to 10 percent for both 2.4 GHz and 5 GHz
B
10 percent for both 2.4 GHz and 5 GHz
C
20 percent for 2.4 GHz and 15 to 20 percent for 5 GHz
D
20 percent for 2.5 GHz and 10 percent for 5 GHz
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To provide efficient roaming between the cells， which percent of cell overlap is recommended for2.4 GHz and 5 GHz access points？（）A、5 to 10 percent for both 2.4 GHz and 5 GHzB、10 percent for both 2.4 GHz and 5 GHzC、20 percent for 2.4 GHz and 15 to 20 percent for 5 GHzD、20 percent for 2.5 GHz and 10 percent for 5 GHz
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5 to 10 percent for both 2.4 GHz and 5 GHzB
10 percent for both 2.4 GHz and 5 GHzC
20 percent for 2.4 GHz and 15 to 20 percent for 5 GHzD
20 percent for 2.5 GHz and 10 percent for 5 GHz
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单选题Which of the following 802.11 standards can operate at both 2.4 GHz and 5.0 GHz?（）A
AB
BC
GD
N
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2.4GHz-2.4835GHzB
2.471GHz-2.497GHzC
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2.445GHz-2.475GHz
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