In terms of multifactor authentication, a password is something you have

________ uses two means to authenticate the user, such as biometrics or a smart card used in combination with a password.

a) Two-method authentication. b) Digital authentication. c) Two-factor authentication. d) None of the above.

It was not until the ______ generation of computers that portable operating systems, such as CP/M and UNIX, provided programmers with similar operating system commands across hardware platforms.

Fill in the blank(s) with the appropriate word(s).