In order to rank the five members of its chess team for play against another school, the coach draws the following diagram. An arrow from 1 to 2 means player 1 has defeated player 2. 
Definitions:
TCP/IP Hijacking
A type of cyber attack on the Transmission Control Protocol/Internet Protocol, where the attacker takes over a web session between two computers.
Spoofing
A malicious practice where an attacker impersonates another device or user on a network, aiming to deceive systems or individuals for unauthorized access or data theft.
Social Engineering
The art of manipulating people so they give up confidential information or perform actions they wouldn't normally consider.
Human Interaction
The process and dynamics of humans communicating and interacting with each other, often studied in psychology and social sciences.
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