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protocol layer stresses
tech.	уровень протокола
telecom.	протокольный уровень (oleg.vigodsky)

protocol layer: 86 phrases in 15 subjects

Communications	3
Computer networks	16
Computers	1
Electronics	5
General	1
Information security and data protection	1
Information technology	7
Mass media	4
Mathematics	4
Microsoft	2
Military	2
Programming	5
Technology	13
Telecommunications	14
United Nations	8