Home » LPI » 117-201 » Which filesystem[s] can safely be mounted read-only?
On a system with separate partitions for /, /usr, /var, /tmp, which filesystem[s] can safely be mounted read-only?
A. /var, /usr
B. /var
C. /usr, /, /tmp
D. /usr
E. /tmp
Correct Answer: D
Explanation/Reference:
Explanation: The /usr partition contains common executables and documents such as man pages (help files), all of which should not be changed by users. Therefore, this partition should be mounted as read only.
Reference: http://www.redhat.com/docs/manuals/linux/RHL-6.0-Manual/install-guide/manual/doc084.html
Incorrect Answers
A:The /var (variable) partition is used for data that frequently changes such as log files and therefore cannot be read only.
B:The /var (variable) partition is used for data that frequently changes such as log files and therefore cannot be read only.
C:The /tmp (temporary) partition is used to store temporary files and therefore cannot be read only.
E:The /tmp (temporary) partition is used to store temporary files and therefore cannot be read only.
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