When thinking about the authentication process, two things need to be considered.
Two considerations are there and we have to think about them.
Because we're now doing the authentication process, two things are necessary to consider.
Something common that you're likely to hear with "leave" in this context are choices and options:
"Your car is broken down, so that leaves you two options to get to school: bus or bike."
"My essay is due tomorrow morning, so that leaves me two choices/options: stay up all night writing or turn my essay in late."
"You leave me no choice but to break up with you."
(not a teacher, just a language lover)
Student or Learner