Refer to the exhibit. An enterprise uses 802.11 b/g APs and must track the RFID tags within the network. How many channels must be used to maximize the optimization of the monitoring and tracking of the tags?
802.11 b/g operates in the 2.4 GHz band, which has 11 channels in total. However, only 3 non-overlapping channels (1, 6, and 11) are available in this band due to channel overlap issues.
Using these 3 non-overlapping channels ensures maximum coverage and minimizes interference, which is critical for effectively monitoring and tracking RFID tags.
Using fewer than 3 channels would reduce coverage, while using more than 3 would cause interference and degrade performance.
To optimize the monitoring and location calculation of RFID tags, you can enable tracking optimization on
up to four channels within the 2.4-GHz band of an 802.11b/g access point radio. This feature allows you to
scan only the channels on which tags are usually programmed to operate (such as channels 1, 6, and 11).
To optimize the monitoring and location calculation of RFID tags, you can enable tracking optimization on up to four channels within the 2.4-GHz band of an 802.11b/g access point radio. This feature allows you to scan only the channels on which tags are usually programmed to operate (such as channels 1, 6, and 11).
https://www.cisco.com/c/en/us/td/docs/wireless/controller/7-4/configuration/guides/consolidated/b_cg74_CONSOLIDATED/m_optimizing_rfid_tracking_on_access_points.pdf
802.11 b/g wireless networks operate in the 2.4 GHz frequency band and typically use channels 1 through 11 in North America. Each channel in the 2.4 GHz band has a width of 20 MHz.
To maximize the optimization of monitoring and tracking RFID tags, it's best to use multiple channels to avoid interference and congestion. The channels should be selected such that they are non-overlapping to minimize interference among neighboring channels.
Channels 1, 6, and 11 are considered non-overlapping channels in the 2.4 GHz band. Therefore, to maximize optimization and minimize interference, the optimal choice is:
B. 3 channels
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