EX342 Exam Dumps (V8.02) with Top-rated Exam Questions: Feel the Quality By Reading EX342 Free Dumps (Part 2, Q41-Q80)

1. A user complains of application crashes.

How do you locate and collect system logs related to the crash for analysis?

2. You are auditing a system and must gather system boot and shutdown times over the past week.

How can you do this efficiently using built-in tools?

3. You receive kernel panic errors during boot, indicating VFS: Unable to mount root fs.

How do you resolve this?

4. You suspect a memory issue is causing boot crashes.

How can you test the system memory?

5. You need to recover the header of a damaged LUKS volume from a backup.

How can you restore the LUKS header safely?

6. A newly added disk is not visible after reboot.

How do you detect hardware connection issues at the block device level?

7. You want to change the passphrase of a LUKS-encrypted partition.

How do you do this safely?

8. Your boot is stuck on "Started Show Plymouth Boot Screen".

How do you bypass graphical boot to diagnose further?

9. A VG reports “partial mode” after one PV was removed.

How do you correct this?

10. A system has frequent reboots. You are asked to check previous boot events and identify causes for the reboots.

What approach should you take?

11. You want to see all parameters supported by a loaded kernel module e1000e.

How can you list and check their current values?

12. Your system boots into rescue mode due to a corrupted initramfs.

How can you regenerate it and restore boot?

13. A user reports slow system performance. You are tasked to analyze CPU and memory usage for the last hour.

How can you collect this data?

14. You’ve restored a VG from backup but missing one LV.

How can you try to recover it?

15. Your task is to identify recent changes made to configuration files across the system.

How can you trace this effectively?

16. How can you permanently blacklist a hardware module that’s causing boot instability?

17. You suspect a failing hardware disk.

How do you check disk health and gather diagnostics?

18. Your encrypted home partition won’t mount.

How do you verify its integrity and fix it?

19. After replacing a motherboard, the NIC name has changed.

How do you rename it back to the original name (e.g., eth0)?

20. You must back up data from a LUKS-encrypted device without mounting it.

How do you do a sector-level backup?

21. After reboot, a custom service doesn’t start. You need to debug and fix the unit file.

How do you approach this?

22. A user reports that after enabling a service, the system hangs at boot.

How can you temporarily prevent it from starting to troubleshoot?

23. Your system freezes at the boot splash screen.

How can you diagnose where the boot is getting stuck?

24. You’ve lost the LUKS passphrase but have a backup key file.

How do you unlock the volume using it?

25. You're assisting in a kernel panic investigation.

How can you gather historical panic messages and kernel crash information for analysis?

26. A system refuses to boot due to corrupted bootloader entries.

How do you reconfigure GRUB manually?

27. How do you clone an LVM-based system to another disk for recovery or backup purposes?

28. You lost root access due to a forgotten password.

How can you reset it and regain control?

29. You need to inspect which module is using a particular device file (e.g., /dev/snd/pcmC0D0p).

How can you trace this?

30. You are troubleshooting a performance issue and need to collect information about all block devices and their attributes including mount points and sizes.

How can you achieve this?

31. An engineer requests information about all installed packages for system validation.

How can you generate and share a list of all installed RPM packages and their versions?

32. You get a warning that the root filesystem is mounted read-only after boot.

How can you resolve this?

33. During troubleshooting, your team wants a full snapshot of running processes, memory, and open files.

How do you collect this all-in-one snapshot?

34. During boot, the system drops to the dracut shell with "cannot find root device".

How do you resolve this and restore normal boot?

35. A system fails to detect PCIe cards after an upgrade.

How do you verify BIOS and OS-level PCIe detection?

36. The mount command fails with "structure needs cleaning." How do you resolve this error?

37. You are diagnosing frequent I/O errors reported by applications. You need to collect detailed disk error logs and SMART data to assess potential disk failure.

How can you do this on a RHEL server?

38. How can you check if a systemd target is causing a boot failure and switch to an alternative target for diagnosis?

39. Your team is troubleshooting a startup issue. You're asked to identify failed systemd units during boot.

How do you do this?

40. You need to identify which process is consuming excessive memory during peak hours.

What commands can help you pinpoint the culprit and collect memory statistics?