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220-802 · Question #39

A technician enabled remote management on the small office WAP to manage this device from another location. Users are reporting that the WAP has changed its SSID without anyone's knowledge. Which of…

The correct answer is B. Change default usernames and passwords. If the WAP's SSID is being changed without anyone's knowledge, an unauthorized party has gained access to the WAP's administrative interface. This is a classic sign of a default credential attack - attackers commonly scan for network devices still using factory default…

Networking

Question

A technician enabled remote management on the small office WAP to manage this device from another location. Users are reporting that the WAP has changed its SSID without anyone's knowledge. Which of the following would prevent this from occurring?

Options

  • AChange to user MAC filtering
  • BChange default usernames and passwords
  • CDisable the SSID from broadcasting
  • DEnable static IP addresses

How the community answered

(34 responses)
  • A
    3% (1)
  • B
    91% (31)
  • D
    6% (2)

Explanation

If the WAP's SSID is being changed without anyone's knowledge, an unauthorized party has gained access to the WAP's administrative interface. This is a classic sign of a default credential attack - attackers commonly scan for network devices still using factory default usernames and passwords (e.g., admin/admin). Changing the default credentials immediately closes this vulnerability. MAC filtering (A) controls which client devices connect to the wireless network, not who can log into the WAP's management interface. Disabling SSID broadcast (C) and enabling static IPs (D) do nothing to prevent unauthorized administrative access to the WAP itself.

Topics

#default credentials#WAP security#wireless access point#access control

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