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220-1102 · Question #66

A wireless network is set up, but it is experiencing some interference from other nearby SSIDs. Which of the following can BEST resolve the interference?

The correct answer is A. Changing channels. To best resolve interference from other nearby SSIDs on a wireless network, changing the wireless channel to a less congested one is the most effective solution.

Hardware and network troubleshooting

Question

A wireless network is set up, but it is experiencing some interference from other nearby SSIDs. Which of the following can BEST resolve the interference?

Options

  • AChanging channels
  • BModifying the wireless security
  • CDisabling the SSIO broadcast
  • DChanging the access point name

How the community answered

(35 responses)
  • A
    74% (26)
  • B
    17% (6)
  • C
    6% (2)
  • D
    3% (1)

Why each option

To best resolve interference from other nearby SSIDs on a wireless network, changing the wireless channel to a less congested one is the most effective solution.

AChanging channelsCorrect

Wireless networks operate on specific channels; interference occurs when multiple networks in close proximity use the same or overlapping channels. By changing to a less congested or non-overlapping channel, the wireless network can reduce interference and improve signal quality and performance.

BModifying the wireless security

Modifying the wireless security (e.g., changing from WPA2 to WPA3) enhances encryption but does not address signal interference issues.

CDisabling the SSIO broadcast

Disabling the SSID broadcast hides the network name but does not prevent interference from other networks operating on the same channel.

DChanging the access point name

Changing the access point name (SSID) only changes the network identifier and has no effect on radio frequency interference.

Concept tested: Wireless network interference resolution-channel selection

Source: https://www.cisco.com/c/en/us/support/docs/wireless/wireless-lan-wlan/116744-technote-wlan-00.html

Topics

#Wireless networking#Wi-Fi interference#Channel selection#Network troubleshooting

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