 |
| |||
| two-way handshaking | |||
| two-way handshake (партнёров по связи) | |||
| взаимное представление: 15 phrases in 3 subjects |
| Information security and data protection | 5 |
| Politics | 1 |
| Security systems | 9 |
|
| |||
| two-way handshaking | |||
| two-way handshake (партнёров по связи) | |||
| взаимное представление: 15 phrases in 3 subjects |
| Information security and data protection | 5 |
| Politics | 1 |
| Security systems | 9 |