query: يخدم معيار 802.11n اللاسلكي على تردد 2.4 جيغاهرتز و5.0 جيغاهرتز.
positive: The 802.11n standard operates on both the 2.4Ghz and 5.0Ghz frequencies.
negative: The 802.11n standard did not operate on both the 2.4Ghz and 5.0Ghz frequencies.