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EC-Council

312-50V10 · Question #878

jane invites her friends Alice and John over for a LAN party. Alice and John access Jane's wireless network without a password. However. Jane has a long, complex password on her router. What attack ha

The correct answer is A. Wireless sniffing. Wireless sniffing allows an attacker to passively capture network packets using a monitor-mode adapter without authenticating to the network, requiring no password.

Hacking Wireless Networks

Question

jane invites her friends Alice and John over for a LAN party. Alice and John access Jane's wireless network without a password. However. Jane has a long, complex password on her router. What attack has likely occurred?

Options

  • AWireless sniffing
  • BPiggybacking
  • CEvil twin
  • DWardriving

How the community answered

(44 responses)
  • A
    73% (32)
  • B
    14% (6)
  • C
    5% (2)
  • D
    9% (4)

Why each option

Wireless sniffing allows an attacker to passively capture network packets using a monitor-mode adapter without authenticating to the network, requiring no password.

AWireless sniffingCorrect

In a wireless sniffing attack, the attacker places their wireless adapter in monitor mode to capture all radio frames broadcast in the vicinity without joining or authenticating to the network. This passive technique explains how Alice and John could intercept traffic from Jane's network despite her strong WPA password, because sniffing does not require knowledge of the pre-shared key to capture packets over the air.

BPiggybacking

Piggybacking refers to gaining unauthorized access by following an authorized user, and implies actually connecting to the network, which would still require the password or physical bypass.

CEvil twin

An evil twin attack requires the attacker to actively broadcast a rogue access point mimicking the legitimate one - this is an active infrastructure attack, not a passive interception technique used by LAN party guests.

DWardriving

Wardriving is the act of driving around to discover and map wireless networks and is a reconnaissance activity, not a method for intercepting traffic on a specific target network.

Concept tested: Passive wireless sniffing without network authentication

Topics

#wireless unauthorized access#piggybacking#WPA2 bypass#wireless security

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