comptia-a-plus-core2/quizzes/OS-4-quiz.md
Ken Patmonk 0c3868ea71 quizzes: expand all 35 quizzes to 15 questions each
OPS-1 through OPS-10, OS-2, OS-3 went from 5 → 15.
OS-1, OS-4 through OS-11, SEC-1 through SEC-11, TRB-1 through TRB-4 went from 7 → 15.
Questions cover exam-weight scenarios not duplicated from original content.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-06-19 02:43:26 -05:00

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Markdown

# OS-4 Quiz: Windows Command Line
Take this after studying `notes/OS-4-windows-command-line.md`.
Reply with answers like:
`1B 2A 3D 4C 5B 6A 7D`
## Questions
1. Which command shows detailed Windows network adapter information, including DNS and DHCP details?
A. `ping`
B. `hostname`
C. `winver`
D. `ipconfig /all`
2. A user can ping `8.8.8.8` but cannot browse to `example.com`. Which command should the technician use to test DNS resolution?
A. `chkdsk /f`
B. `gpupdate /force`
C. `nslookup example.com`
D. `format`
3. Which command shows active connections, listening ports, and process IDs?
A. `sfc /scannow`
B. `netstat -ano`
C. `dir`
D. `whoami`
4. Which command scans protected Windows system files and repairs them when possible?
A. `tracert`
B. `net use`
C. `pathping`
D. `sfc /scannow`
5. Which command forces Group Policy to refresh on a Windows system?
A. `gpupdate /force`
B. `gpresult /r`
C. `winver`
D. `hostname`
6. Which command-line tool can manage partitions and is dangerous if misused?
A. `whoami`
B. `nslookup`
C. `diskpart`
D. `help dir`
7. Which command displays syntax help for many Windows commands?
A. `..`
B. `/?`
C. `127.0.0.1`
D. `C:`
8. Which command checks and repairs disk errors on a drive?
A. `sfc /scannow`
B. `netstat -ano`
C. `chkdsk /f`
D. `gpresult /r`
9. A technician wants to see the path network packets take to a remote host. Which command is best?
A. `hostname`
B. `whoami`
C. `tracert`
D. `net use`
10. Which command maps a network drive to a drive letter?
A. `diskpart`
B. `net use Z: \\server\share`
C. `gpupdate`
D. `sfc`
11. A PC needs an immediate shutdown. Which command achieves this?
A. `shutdown /r /t 0`
B. `shutdown /s /t 0`
C. `gpupdate /force`
D. `sfc /scannow`
12. Which command repairs the Windows boot record when a system cannot start?
A. `chkdsk /r`
B. `diskpart`
C. `bootrec /fixmbr`
D. `netstat -ano`
13. What does `DISM /Online /Cleanup-Image /RestoreHealth` do?
A. Formats the system drive
B. Repairs the Windows component store using Windows Update
C. Forces a Group Policy refresh
D. Stops all running services
14. Which command terminates a running process by its process ID?
A. `net stop`
B. `gpresult /r`
C. `taskkill /PID <id> /F`
D. `sfc /scannow`
15. Which command releases the current DHCP lease on a Windows machine?
A. `ipconfig /renew`
B. `ipconfig /flushdns`
C. `ipconfig /release`
D. `ipconfig /all`
## Answer Key For Instructor
1. D
2. C
3. B
4. D
5. A
6. C
7. B
8. C
9. C
10. B
11. B
12. C
13. B
14. C
15. C