A network technician is checking the status of a live AP on the WLC. On the Access Point View screen, the technician notices that the AP is using channel 11 and the noise level is -30 dBm. Which conclusion can be drawn with the information?

IT Questions BankCategory: CCNPA network technician is checking the status of a live AP on the WLC. On the Access Point View screen, the technician notices that the AP is using channel 11 and the noise level is -30 dBm. Which conclusion can be drawn with the information?
A network technician is checking the status of a live AP on the WLC. On the Access Point View screen, the technician notices that the AP is using channel 11 and the noise level is -30 dBm. Which conclusion can be drawn with the information? 1ITExamAnswers Staff asked 1 month ago
A network technician is checking the status of a live AP on the WLC. On the Access Point View screen, the technician notices that the AP is using channel 11 and the noise level is -30 dBm. Which conclusion can be drawn with the information?

  • The radio is malfunctioning.
  • Too many wireless clients are connected to the AP.
  • There are some non-802.11 devices around that interfere with the WLAN signal.
  • Wireless clients are transmitting a large amount of media data through the AP.

Explanation: On the Access Point View screen, a technician can check the operating status of connected APs. One important indicator is the noise level on a channel. Noise is usually considered to be the energy received from non-802.11 sources. Ideally, the noise level should be as low as possible, usually around −90 or −100 dBm, so that 802.11 signals can be received intelligibly and accurately.

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