SUSE Engineer Linux Troubleshooting Quiz

1. What does 'journalctl' command provide on SUSE systems?

Access to systemd journal logs

Journal file compression

Kernel compilation logs

Network traffic journals

Submit

4. What does 'lsof' command display in troubleshooting?

List of open files and processes

Loaded kernel modules

Logical volume information

System configuration files

5. How do you check system uptime and load average on SUSE?

Uptime command

Date only

Timedatectl only

Systemctl status

6. Which file defines user permissions for sudoers on SUSE?

/etc/sudoers

/etc/passwd

/etc/sudo.conf

/etc/permissions

7. To check package dependencies on SUSE, which command would you use?

Zypper info packagename

Rpm -qa only

Dpkg -l only

Apt-cache search

8. What is the purpose of 'strace' in Linux troubleshooting?

Trace system calls made by a process

Trace network packets

Trace file permissions

Trace memory allocation only

9. Which command shows disk space usage by directory on SUSE?

Du -sh *

Df only

Ls -la only

Stat filesystem

10. How do you enable a service to start at boot on SUSE?

Systemctl enable servicename

Chkconfig servicename on

Service servicename enable

Update-rc.d servicename defaults

11. Which command displays the current routing table on a SUSE Linux system?

Route -n

Ipconfig

Netstat -a

Ifconfig -r

12. To view open ports and listening services, which command is most reliable?

Netstat -tlnp or ss -tlnp

Lsof only

Ps aux only

Netstat -a

13. Which file contains network interface configuration on SUSE?

/etc/sysconfig/network/ifcfg-*

/etc/network/interfaces

/etc/netplan/config.yaml

/etc/ip.conf

14. What is the purpose of the 'dmesg' command in troubleshooting?

Display kernel ring buffer messages

Delete system messages

Modify driver settings

Compress log files

15. How do you check DNS resolution issues on a SUSE system?

Nslookup or dig hostname

Ping only

Traceroute only

Ifconfig -dns

16. Which tool is used to monitor real-time system performance on SUSE?

Top or htop

Iostat only

Vmstat only

Df command

17. What does the 'fsck' command do in Linux troubleshooting?

Checks and repairs file system integrity

Formats the entire disk

Compresses file system data

Monitors file system performance

18. To check if a service is running on SUSE, which systemd command would you use?

Systemctl status servicename

Service servicename check

Chkconfig servicename

Ps aux | grep servicename only

19. Which log file typically contains authentication failures on SUSE systems?

/var/log/auth.log

/var/log/secure

/var/log/messages

/var/log/kernel.log

20. What is the primary purpose of the YaST tool in SUSE Linux?

Compile kernel modules

System administration and configuration

Monitor real-time CPU usage

Manage file permissions only