A penetration tester is performing network reconnaissance. The tester wants to gather information about the network without causing detection mechanisms to flag the reconnaissance activities. Which of

The correct answer is A. Sniffing. Sniffing (packet capturing) allows a penetration tester to passively monitor network traffic without actively interacting with systems, reducing the risk of detection. By using tools like Wireshark or tcpdump, the tester can collect information about network activity, devices, an

Submitted by packet_pusher· Mar 6, 2026Reconnaissance and Enumeration

Question

A penetration tester is performing network reconnaissance. The tester wants to gather information about the network without causing detection mechanisms to flag the reconnaissance activities. Which of the following techniques should the tester use?

Options

ASniffing
BBanner grabbing
CTCP/UDP scanning
DPing sweeps

How the community answered

(57 responses)

A
89% (51)
B
5% (3)
C
2% (1)
D
4% (2)

Explanation

Sniffing (packet capturing) allows a penetration tester to passively monitor network traffic without actively interacting with systems, reducing the risk of detection. By using tools like Wireshark or tcpdump, the tester can collect information about network activity, devices, and protocols without triggering security alerts.

Topics

#network reconnaissance#passive reconnaissance#stealth techniques#network sniffing

Community Discussion

No community discussion yet for this question.

Full PT0-003 Practice