Try not to keep ________________ passwords, especially fingerprint for your smart-phone, because it can lead to physical hacking if you re not aware or asleep.

Try not to keep ________________ passwords, especially fingerprint for

1.	Try not to keep ________________ passwords, especially fingerprint for your smart-phone, because it can lead to physical hacking if you re not aware or asleep.
A.	Biometric
B.	PIN-based
C.	Alphanumeric
D.	Short
Answer» B. PIN-based