# 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