To safeguard data against security threats, every information system today requires a user name and a password. In this case, which of the following functions is performed by the user name?
A) authentication
B) identification
C) decryption
D) encryption

Question

Quizplus · Accepted Answer

The user name is used for identification purposes, as it uniquely identifies a specific user among all others. Authentication, on the other hand, involves verifying that the user is indeed who they claim to be, typically through the use of a password or other form of authentication factor. Decryption and encryption are related to the process of securing data but are not directly related to the use of a user name.

To Safeguard Data Against Security Threats, Every Information System Today