Authentication, Authorization and Accounting

Question 1

What is Identification and Authentication?

Answer 1

• Identification is making a claim of identity.
• Authentication is proving a claim of identity; such as entering login details, biometric authentication, multifactor authentication.

Question 2

What is Single Sign-On?

Answer 2

Is a method of authentication that allows users to access multiple systems or applications with a single set of login credentials.

Question 3

What is Authorization? Provide a common example.

Hint: Files

Answer 3

• Authorization ensures that certain actions are allowed for a user.
• E.g: Filesystem permissions.

Question 4

What is Accounting?

Answer 4

Maintaing log of regarding user activity.