hardMultiple ChoiceObjective-mapped
XK0-006 Practice Question: An application is being denied access to a file…
An application is being denied access to a file due to SELinux. Which command can be used to temporarily set the SELinux context of the file to match the expected type for the application?
⚠ Common exam trap
Many exam-takers confuse `chcon` (temporary, immediate change) with `restorecon` (reverts to policy default) or `semanage fcontext` (persistent policy rule that requires an extra step to apply), leading them to pick an option that either disables SELinux or does not immediately fix the file context.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
chcon -t httpd_sys_content_t /var/www/html/index.html
The `chcon` command is used to temporarily change the SELinux context of a file without modifying the SELinux policy. By specifying `-t httpd_sys_content_t`, the file's type is set to the expected type for Apache (httpd) to access it, resolving the denial immediately. This change is not persistent across file system relabeling, making it ideal for temporary troubleshooting.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
chcon -t httpd_sys_content_t /var/www/html/index.html
Why this is correct
Changes SELinux context to the specified type.
- ✗
setenforce 0
Why it's wrong here
Disables SELinux enforcement, not recommended.
- ✗
restorecon -v /var/www/html/index.html
Why it's wrong here
Restores default context, may not fix if context was wrong.
- ✗
semanage fcontext -a -t httpd_sys_content_t /var/www/html
Why it's wrong here
Adds a rule, but does not apply immediately.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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