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Which of the following do not comes under the important element of OS fingerprinting?(a) TTL(b) TOS(c) DF bits(d) FirewallI have been asked this question during a job interview.This intriguing question originated from Fingerprinting topic in chapter Cyber Security of Cyber Security

Answer»

The CORRECT option is (d) Firewall

The explanation: There are four basic ELEMENTS that an ETHICAL hacker should LOOK at to DETERMINE the operating system. These are TTL (time to Live), Don’t fragment bit, Window Size, and Type of Service (TOS).



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