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210-255 · Question #11
210-255 Question #11: Real Exam Question with Answer & Explanation
The correct answer is C: file permissions. Linux controls file access through a permissions model assigning read, write, and execute rights to the owner, group, and others.
Question
What mechanism does the Linux operating system provide to control access to files?
Options
- Aprivileges required
- Buser interaction
- Cfile permissions
- Daccess complexity
Explanation
Linux controls file access through a permissions model assigning read, write, and execute rights to the owner, group, and others.
Common mistakes.
- A. 'Privileges required' is a metric in the CVSS vulnerability scoring system used to rate exploit difficulty, not a Linux access control mechanism.
- B. 'User interaction' is a CVSS scoring metric describing whether a user must participate for a vulnerability to be exploited, unrelated to Linux file access.
- D. 'Access complexity' is a CVSS v2 metric for rating vulnerability exploitability and has no role in Linux file access control.
Concept tested. Linux file permissions and access control model
Reference. https://www.man7.org/linux/man-pages/man1/chmod.1.html
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