# SSCP — Question 425

**Type:** multiple_choice
**Topics:** topic_1

## Question

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

## Correct Answer

_See scenario._

## Explanation

PIN Stands for Personal Identification Number, as the name states it is a combination of numbers.
The following answers are incorrect:
User ID This is incorrect because a Userid is not required to be a number and a Userid is only used to establish identity not verify it.
Password. This is incorrect because a password is not required to be a number, it could be any combination of characters.
Challenge. This is incorrect because a challenge is not defined as a number, it could be anything.

**Reference:** examtopics_answer_description

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Source: https://hiexam.net/q/isc/SSCP/425  
Practice (tracked): https://hiexam.net/study/SSCP/practice