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Red Hat – RHCSA Exam

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1. What is the ssh command?
 
 
 
 

Question 1 of 50

2. The “mount -a” command will mount all file systems in the ________ file.
 
 
 
 

Question 2 of 50

3. To change the ownership of the file “myfile” from “Tim” to “Jim”, _____ is used.
 
 
 
 

Question 3 of 50

4. What is the command used to find out what packages are currently installed?
 
 
 
 

Question 4 of 50

5. _____ is added to a command to run it in the background.
 
 
 
 

Question 5 of 50

6. What is the command used to change to runlevel 3 if you are at runlevel 5?
 
 
 
 

Question 6 of 50

7. During boot, the init program checks default runlevel from the __________ file.
 
 
 
 

Question 7 of 50

8. Where do the manual (man) pages for all commands reside in the File System Hierarchy (FSH)?
 
 
 
 

Question 8 of 50

9. What is the command used to query DNS (Internet domain name) servers?
 
 
 
 

Question 9 of 50

10. What does the pwd command do?
 
 
 
 

Question 10 of 50

11. ‘uname’ command is used to __________ .
 
 
 
 

Question 11 of 50

12. How can we to show currently loaded kernel modules?
 
 
 
 

Question 12 of 50

13. If you are logged in to a regular user account, and it is necessary for you to log in as root and become a superuser, you use which of the following?
 
 
 
 

Question 13 of 50

14. If you have accidentally deleted a file using rm command, how can you get that file back?
 
 
 
 

Question 14 of 50

15. What is the action to disable SSH root login?
 
 
 
 

Question 15 of 50

16. ________ is the Linux distro that is derived from RHEL.
 
 
 
 

Question 16 of 50

17. ________ is used to configure networking via a console GUI.
 
 
 
 

Question 17 of 50

18. When creating a new user account, unless otherwise specified, the files from the __________ are automatically copied to the home directory.
 
 
 
 

Question 18 of 50

19. What is swap?
 
 
 
 

Question 19 of 50

20. How would you use scp to copy a file ‘test_file’ from your machine to the remote machine ‘test_machine’ to the /tmp directory, using the account ‘test_user’ on the remote machine.
 
 
 
 

Question 20 of 50

21. In which file will user-encrypted passwords be stored?
 
 
 
 

Question 21 of 50

22. Identify the action that ‘rpm -ql nagios’ will perform.
 
 
 
 

Question 22 of 50

23. A normal user sends a print job to the default printer but later finds the print queue is large and decides to cancel the job. What would the user do to perform this task?
 
 
 
 

Question 23 of 50

24. Identify the file in which we can configure the IP Address and Netmask for eth0:
 
 
 
 

Question 24 of 50

25. SSH uses _____ to authenticate remote computers.
 
 
 
 

Question 25 of 50

26. What is the command used to list the most CPU-intensive processes on your system?
 
 
 
 

Question 26 of 50

27. _______ is the firewall that is most commonly used on Linux.
 
 
 
 

Question 27 of 50

28. How do you find out memory usage?
 
 
 
 

Question 28 of 50

29. Can we increase SWAP space without rebooting?
 
 
 
 

Question 29 of 50

30. What is used to power down the system?
 
 
 
 

Question 30 of 50

31. ________ is used to delete a directory, recursively searching for files and other directories and deleting them.
 
 
 
 

Question 31 of 50

32. Identify the true statement regarding the Linux operating system.
 
 
 
 

Question 32 of 50

33. Consider using the command ‘cd /a/b/c’, then executing ‘cd ..’. What does this last command do?
 
 
 
 

Question 33 of 50

34. What is the command used to create a disk dump in RedHat Linux?
 
 
 
 

Question 34 of 50

35. Identify the most correct way to edit the current user’s crontab.
 
 
 
 

Question 35 of 50

36. What does ‘shutdown -r now’ do?
 
 
 
 

Question 36 of 50

37. is used to see the age of a password.

  • chgrp
  • passwd
  • chmod
  • chage

Question 37 of 50

38. If umask is 0022, what is the by-default permission of a file?
 
 
 
 
 

Question 38 of 50

39. What is the default home directory path in Redhat Linux?
 
 
 
 

Question 39 of 50

40. What action will ‘du -h ~’ perform?
 
 
 
 

Question 40 of 50

41. The Linux Kernel was written by whom?
 
 
 
 

Question 41 of 50

42. What is the command to mount the file system to the directory /mnt?
 
 
 
 

Question 42 of 50

43. If you set your /etc/inittab file to have the default init entry to be ‘init:3:default:’, then your system default runlevel is which of the follow?
 
 
 
 

Question 43 of 50

44. What is used to verify in which state (run level) we are currently running?
 
 
 
 

Question 44 of 50

45. On Red Hat Linux and its derivatives, which of the following commands is appropriate to check whether a particular ‘package’ is installed?
 
 
 
 

Question 45 of 50

46. Which statement is true about the files and directories created inside the /project directory that have 2777 permissions?
 
 
 
 

Question 46 of 50

47. What is used to disable the ssh service at next boot?
 
 
 
 

Question 47 of 50

48. What does GRUB stand for?
 
 
 
 

Question 48 of 50

49. is the runlevel that halts the system.

  • 1
  • 6
  • h
  • 0

Question 49 of 50

50. The main configuration file that GRUB reads when it is loaded is which of the following?
 
 
 
 

Question 50 of 50