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N10-005 · Question #488

N10-005 Question #488: Real Exam Question with Answer & Explanation

The correct answer is B. Channel selection. Wireless networks operating in the same frequency band (e.g., 2.4 GHz) can interfere with each other if they use overlapping channels. By selecting a non-overlapping channel (e.g., channels 1, 6, or 11 in the 2.4 GHz band), the administrator can minimize co-channel and adjacent-c

Network implementation

Question

A client has just leased a new office space in a busy commercial building and would like to install a wireless network. Several other tenants are on the same floor. Multiple wireless networks are present in the building. Which of the following can be changed on the client's wireless network to help ensure that interference from other wireless networks is at a minimum?

Options

  • AWPA encryption key selection
  • BChannel selection
  • CAntenna types
  • DDisable SSID

Explanation

Wireless networks operating in the same frequency band (e.g., 2.4 GHz) can interfere with each other if they use overlapping channels. By selecting a non-overlapping channel (e.g., channels 1, 6, or 11 in the 2.4 GHz band), the administrator can minimize co-channel and adjacent-channel interference from neighboring wireless networks. WPA encryption keys have no effect on RF interference. Antenna type affects signal directionality and strength but does not resolve channel overlap. Disabling SSID broadcast hides the network name but does not reduce interference.

Topics

#wireless interference#channel selection#802.11#WLAN

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