Which of the following is a valid difference between a password and user name?
A) A password is used to encode information, whereas a user name is used to decode information.
B) Unlike a password, a user name is more complex.
C) A user name identifies the user, whereas a password authenticates the user.
D) A user name is common among users, whereas a password is unique.

Question

Quizplus · Accepted Answer

A user name is used to identify the user, whereas a password is used to authenticate the user. It is important to have both a user name and a password for security purposes, as it helps to ensure that only authorized users have access to sensitive information or accounts. While a user name can be common among users, a password should always be unique to each individual user for maximum security. Option A is incorrect because both a user name and a password can be used to encode or decode information, depending on the context. Option B is incorrect as a user name is usually simpler than a password. Option D is also incorrect as user names can sometimes be unique as well, depending on the system or application being used.

Which of the Following Is a Valid Difference Between a Password