CompTIA Linux+ — free practice exam
87 original practice questions aligned to official exam domains. Run a timed, domain-weighted quiz in your browser — no login required.
Exam domains
| Domain | Weight |
|---|---|
| Domain 1: System Management | 32% |
| Domain 2: Security | 21% |
| Domain 3: Scripting, Containers, and Automation | 29% |
| Domain 4: Troubleshooting | 18% |
Sample practice questions
- Which access control uses MAC labels on RHEL?
- Which Ansible file defines tasks against hosts?
- Which audit framework logs syscalls on Linux?
- Cannot sudo despite group membership. Cause?
- Which command adds user with home directory on Linux?
- Which command changes file owner?
- Which command checks listening TCP ports?
- Which command installs packages on RHEL-family systems?
- Which command lists block devices and filesystems?
- Which command lists SELinux context of file?
- Which command sets SELinux mode enforcing temporarily?
- Which command shows current kernel version?
- Which command shows mounted filesystems?
- Which command traces route to remote host?
- Which command updates CA trust store on RHEL?
- (comptia-linux-plus pool) Supplemental management item 1: which best practice improves reliability?
- (comptia-linux-plus pool) Supplemental management item 2: which best practice improves reliability?
- (comptia-linux-plus pool) Supplemental management item 3: which best practice improves reliability?
- (comptia-linux-plus pool) Supplemental management item 4: which best practice improves reliability?
- (comptia-linux-plus pool) Supplemental management item 5: which best practice improves reliability?
- (comptia-linux-plus pool) Supplemental management item 6: which best practice improves reliability?
- (comptia-linux-plus pool) Supplemental management item 7: which best practice improves reliability?
- (comptia-linux-plus pool) Supplemental automation item 1: which best practice improves reliability?
- (comptia-linux-plus pool) Supplemental automation item 2: which best practice improves reliability?
Browse all 87 indexed questions for this exam.