Printable NFL Regular Season Schedule 2016-2017. The 2016 NFL regular season football schedules include NFL team schedules, NFL weekly schedules, Monday Night Football schedule, Sunday Night Football schedule, Thursday Night Football schedule, NFL playoff schedule and NFL Preseason Schedule.
Two Factor Authentication , also known as 2FA , two step verification or TFA ( as an acronym ) , is an extra layer of security that is known as  multi factor authentication  that requires not only a password and username but also something that only , and only , that user has on them , i.e. a piece of information only they should know or have ...
Single-factor authentication vs. two-factor authentication. Using two factors from the same category doesn't constitute 2FA; for example, requiring a password and a shared secret is still considered single-factor authentication, as they both belong to the same authentication factor -- knowledge.