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| OSI (per ISO; 7 layer model) | |||
| OSI | |||
| OSI (ISO 9646-1) | |||
| OSI (ISO, ITU-T) | |||
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| ISO standard describing the seven layer model of data communication | |||
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Open : 20 phrases in 5 subjects |
| Abbreviation | 9 |
| Computer networks | 1 |
| Information technology | 7 |
| Law | 1 |
| Telecommunications | 2 |