Systems Security Certified Practitioner (SSCP) — Question 47

A confidential number used as an authentication factor to verify a user's identity is called a:

Answer options

• A. PIN
• B. User ID
• C. Password
• D. Challenge

Correct answer: A

Explanation

The correct answer is A, PIN, as it specifically refers to a personal identification number used for authentication. While B (User ID) and C (Password) are also authentication factors, they are not numerical like a PIN. D (Challenge) refers to a different concept in authentication processes.