| |||
| 询问和应答 | |||
| 询问与应答 | |||
|
challenge and reply : 4 Phrasen in 3 Thematiken |
| Informationstechnik | 2 |
| Kryptographie | 1 |
| Telekommunikation | 1 |
| |||
| 询问和应答 | |||
| 询问与应答 | |||
|
challenge and reply : 4 Phrasen in 3 Thematiken |
| Informationstechnik | 2 |
| Kryptographie | 1 |
| Telekommunikation | 1 |