Which technique is commonly used to enable packet sniffing on a network?

The correct answer is A. Promiscuous mode. Promiscuous mode is correct because it configures a network interface card (NIC) to capture all packets traversing the network segment - not just those addressed to that machine - which is the fundamental mechanism behind packet sniffers like Wireshark and tcpdump. The distractor

Information Gathering and Vulnerability Analysis

Question

Options

APromiscuous mode
BSession timeout exploitation
CSQL injection
DDNS tunneling

How the community answered

(38 responses)

A
89% (34)
B
3% (1)
C
5% (2)
D
3% (1)

Explanation

Promiscuous mode is correct because it configures a network interface card (NIC) to capture all packets traversing the network segment - not just those addressed to that machine - which is the fundamental mechanism behind packet sniffers like Wireshark and tcpdump.

The distractors target different attack categories entirely: Session timeout exploitation (B) abuses authentication state, SQL injection (C) manipulates database queries through unsanitized input, and DNS tunneling (D) encodes data inside DNS traffic to bypass firewalls - none of these involve intercepting raw network packets.

Memory tip: Think "promiscuous = nosy" - a promiscuous NIC "listens in" on conversations not meant for it, just like a nosy neighbor who reads everyone's mail.

Topics

#packet sniffing#promiscuous mode#network reconnaissance#packet capture

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