Main menu

Page: 1 of 35
A type of user identification mechanism used as a countermeasure against automated software (such as network bots) is known as:
This question is required.

Please wait..

Years,Months,Weeks,Days,Hours,Minutes,Seconds
Year,Month,Week,Day,Hour,Minute,Second
Please select minimum {0} answer(s).
Please select maximum {0} answer(s).