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GSLC · Question #289

You are concerned about rogue wireless access points being connected to your network. What is the best way to detect and prevent these?

The correct answer is C. Site surveys. Site surveys are the primary method for detecting rogue wireless access points by physically and electronically scanning the environment for unauthorized devices.

Security Architecture & Engineering

Question

You are concerned about rogue wireless access points being connected to your network. What is the best way to detect and prevent these?

Options

  • ANetwork anti-spyware software
  • BNetwork anti-virus software
  • CSite surveys
  • DProtocol analyzers

How the community answered

(33 responses)
  • A
    3% (1)
  • B
    6% (2)
  • C
    79% (26)
  • D
    12% (4)

Why each option

Site surveys are the primary method for detecting rogue wireless access points by physically and electronically scanning the environment for unauthorized devices.

ANetwork anti-spyware software

Anti-spyware software targets malicious software on endpoints and does not scan or identify unauthorized wireless hardware connected to the network.

BNetwork anti-virus software

Anti-virus software detects and removes malware from hosts and cannot discover unauthorized network devices such as rogue access points.

CSite surveysCorrect

A wireless site survey involves using scanning tools to inventory all access points broadcasting in or near the facility, allowing administrators to compare discovered APs against the authorized list. Any unrecognized AP can be flagged as rogue and its physical location can be triangulated for removal. This is both a detection and a prevention mechanism because regularly scheduled surveys can catch rogue APs before they are exploited.

DProtocol analyzers

Protocol analyzers capture and decode network traffic on existing connections but do not actively scan for or enumerate unauthorized wireless access points.

Concept tested: Rogue access point detection via wireless site survey

Source: https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Mobility/rogueap.html

Topics

#rogue access points#wireless security#site surveys#network monitoring

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