To identifier a test-taker are implemented few methods:
1. Proximity readers are most popular today, could be used any type of readers (key fobs, cards - it's optional);
2. For highly precised identification, we offer Bio-metric scanners. Finger print readers are one of most popular options. We have plans to implement IRIS reades too, so if you need it - ask us;
3. Othe option is Magnetic card reader;
4. PIN number keyboard, this is a very basic method, that has left form the first version of device.