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High Level Data Link : 31 phrases in 15 subjects |
| Automated equipment | 1 | Electronics | 2 | Military | 4 |
| Communications | 2 | Information security and data protection | 1 | Nanotechnology | 1 |
| Computer networks | 4 | Information technology | 4 | Programming | 1 |
| Computers | 3 | Internet | 1 | Security systems | 1 |
| Electrical engineering | 1 | Mass media | 2 | Technology | 3 |