The best way to determine how far a signal travels between wireless devices is.

Common problem-diagnosing commands for wireless troubleshooting are:

Generally speaking, if the modulation method used is more complicated, the transmission rate obtained is ______, and the coverage of the wireless signal is ______.

In a wireless network, ESS defines an access service, which is an abstract concept from the perspective of the entire network. BSSID is a materialized representation of the ESS at a certain access point (AP).
What is the above statement?

The description about hidden nodes is correct