FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A knowledge factor is something the user knows, such as a password, a personal identification number (PIN) or some other type of shared secret. A possession factor is something the user has, such as an ID card, a security token, a cellphone, a mobile device or a smartphone app, to approve authentication requests.

Detailed explanation-2: -Knowledge factors require the user to provide some data or information before they can access a secured system. a password or personal identification number (PIN) is the most common type of knowledge-based authentication factor used to restrict access to a system.

Detailed explanation-3: -Knowledge Factor When you log in to an application, a security system asks you to provide your username and password. An example of something you know is a password because something you had already known before authentication took place is all you need to get past the Knowledge Factor.

Detailed explanation-4: -Knowledge factor: Colloquially called “something the user knows, ” this is the most common form of credential used in authentication. Two examples of knowledge factors include the answer to a secret security question or the standard username and password combination.

Detailed explanation-5: -Most 2-factor authenticate uses Knowledge Factors like passwords and usernames together with Possession Factors like codes being sent to the phone of the user that the user will then enter to verify their identity.