Fingerprint scanning (231 pages)
Fingerprint sensor (293 pages)
Optical carrier provider (316 pages)
Optical communication systems (188 pages)
Optical device (286 pages)
Optical fiber (207 pages)
Optical frequency-domain reflectometer (OFDR) (240 pages)
Optical isolator (274 pages)
Optical time-domain reflectometer (OTDR) (270 pages)
Subject: Optical fingerprint scanner
8 general knowledge quiz questions. It should take around 2 minutes to complete all the questions.