A penetration tester needs to confirm the version number of a client's web application server. Which of the following techniques should the penetration tester use?

The correct answer is C. Banner grabbing. Banner grabbing is a technique used to obtain information about a network service, including its version number, by connecting to the service and reading the response.

Submitted by yuriko_h· Mar 6, 2026Reconnaissance and Enumeration

Question

Options

ASSL certificate inspection
BURL spidering
CBanner grabbing
DDirectory brute forcing

How the community answered

(29 responses)

A
3% (1)
B
7% (2)
C
90% (26)

Explanation

Banner grabbing is a technique used to obtain information about a network service, including its version number, by connecting to the service and reading the response.

Topics

#banner grabbing#web server reconnaissance#version enumeration

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