Certified Ethical Hacker (CEH v8) — Question 4

What type of OS fingerprinting technique sends specially crafted packets to the remote OS and analyzes the received response?

Answer options

• A. Passive
• B. Reflective
• C. Active
• D. Distributive

Correct answer: C

Explanation

The correct answer is C, Active, because this technique involves actively sending packets to a remote system and analyzing the responses to identify the OS. In contrast, Passive fingerprinting (A) relies on observing traffic without sending any packets, Reflective (B) does not pertain to OS fingerprinting, and Distributive (D) is not a recognized fingerprinting method.