Exam FCSS_LED_AR-7.6 Topic 3 Question 28 Discussion
Actual exam question for Fortinet's FCSS_LED_AR-7.6 exam
Question #: 28
Topic #: 3
Question #: 28
Topic #: 3
What is the expected behavior when enabling auto TX power control on a FortiAP interface?
Suggested Answer: C Vote an answer
Auto TX power control on FortiAP is an RF-optimization feature:
* FortiGate (as wireless controller) continuously evaluatesRSSI of associated clientson each FortiAP radio.
* The algorithm focuses on theweakest client(the one with the worst signal) and adjusts the AP's transmit power so that this client's signal level stays within a configured / target range.
* This helps balance coverage and limit co-channel interference: APs don't transmit at maximum power when clients are close, but will increase power when the weakest client signal drops too low.
Therefore the correct behavior description is:
#C- AP power is adjusted based on the weakest associated client's signal.
Why the others are wrong:
* AandBtalk about matching nearby APs' power or forcing everything to -70 dBm, which is not how FortiAP auto TX works.
* Dincorrectly states the AP "evaluates its own transmission from the client perspective"; the AP can only infer client-side conditions from theclient's RSSI at the AP, not the inverse.
* FortiGate (as wireless controller) continuously evaluatesRSSI of associated clientson each FortiAP radio.
* The algorithm focuses on theweakest client(the one with the worst signal) and adjusts the AP's transmit power so that this client's signal level stays within a configured / target range.
* This helps balance coverage and limit co-channel interference: APs don't transmit at maximum power when clients are close, but will increase power when the weakest client signal drops too low.
Therefore the correct behavior description is:
#C- AP power is adjusted based on the weakest associated client's signal.
Why the others are wrong:
* AandBtalk about matching nearby APs' power or forcing everything to -70 dBm, which is not how FortiAP auto TX works.
* Dincorrectly states the AP "evaluates its own transmission from the client perspective"; the AP can only infer client-side conditions from theclient's RSSI at the AP, not the inverse.
by Wade at Mar 16, 2026, 12:17 AM
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