Which among the decoded request/response packets hold the operating system information of the remote operating system?

As a part of information gathering, you are given a website URL and asked to identify the operating system using passive OS fingerprinting. When you begin to use p0f tool and browse the website URL, the tool captures the header information of all the packets sent and received, and decodes them.

Which among the decoded request/response packets hold the operating system information of the remote operating system?
A . SYN
B . SYN-ACK
C . ACK
D . RST

View Answer

Answer: B