LX0-104 · Question #475
Which of the following answers regarding user account configuration are true?(Choose two)
The correct answer is A. Username is case-sensitive B. Password is case-sensitive. On most Unix-like systems, both usernames and passwords are case-sensitive, meaning that capitalization matters when authenticating or referencing user accounts. This design enhances security and allows for distinct user identities.
Question
Options
- AUsername is case-sensitive
- BPassword is case-sensitive
- CUsername is case-insensitive
- DPassword is case-insensitive
How the community answered
(28 responses)- A93% (26)
- C4% (1)
- D4% (1)
Why each option
On most Unix-like systems, both usernames and passwords are case-sensitive, meaning that capitalization matters when authenticating or referencing user accounts. This design enhances security and allows for distinct user identities.
Usernames on Unix-like systems are typically case-sensitive. For example, bob and Bob would be treated as two distinct usernames if created.
Passwords on Unix-like systems are universally case-sensitive, meaning that Password123 is different from password123. This sensitivity increases the strength and security of passwords.
Usernames are case-sensitive, not case-insensitive; user and User are considered different accounts.
Passwords are case-sensitive for security reasons; if they were case-insensitive, it would reduce the number of possible password combinations.
Concept tested: Usernames and passwords case sensitivity
Source: https://man7.org/linux/man-pages/man5/passwd.5.html
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