Networks
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OSI model
The Open Systems Interconnection (OSI) model (ISO/IEC 7498-1) is a product of the Open Systems Interconnection effort at the International Organization for Standardization . It is a prescription of characterizing and standardizing the functions of a communications system in terms of abstraction layers . Similar communication functions are grouped into logical layers.
Network Scanning
Cut your teeth of some network forensics with some of these puzzles. by rajahmqar Feb 9