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LFCS · Question #475
LFCS Question #475: Real Exam Question with Answer & Explanation
The correct answer is A: Username is case-sensitive. Both usernames and passwords in Linux-like systems are case-sensitive, ensuring distinct identities and stronger authentication.
Submitted by yuriko_h· Apr 18, 2026User and Group Management
Question
Which of the following answers regarding user account configuration are true?(Choose two)
Options
- AUsername is case-sensitive
- BPassword is case-sensitive
- CUsername is case-insensitive
- DPassword is case-insensitive
Explanation
Both usernames and passwords in Linux-like systems are case-sensitive, ensuring distinct identities and stronger authentication.
Common mistakes.
- C. Usernames are generally case-sensitive in Linux/Unix, differentiating between upper and lower case characters.
- D. Passwords are case-sensitive to enhance security and prevent unauthorized access due to simple case variations.
Concept tested. Linux username and password case sensitivity
Reference. https://man7.org/linux/man-pages/man5/shadow.5.html
Topics
#User Accounts#Case Sensitivity#Authentication#Login Credentials
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