WLAN planning has requirements on signal field strength in coverage areas. For example, the signal field strength in key areas ranges from -40 dBm to -75 dBm, and that in common areas exceeds -85 dBm.
Correct Answer:
B
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An antenna converts pilot waves on transmission lines into electromagnetic waves propagated in unbounded media (free space in most cases), or vice versa.
Correct Answer:
B
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To quickly identify the AC on which a STA goes online, an AC saves the online status of all ACs and STAs in the mobility group.
Correct Answer:
B
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OFDMA and MU-MIMO are mutually exclusive technologies that cannot be configured together.
Correct Answer:
B
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