Test your basic knowledge |

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is the /etc/vsftpd/user_list file used for?






2. What is the top command used for?






3. What command do you use to change the permissions on a file or directory - To change ownership?






4. What command can you use to create a new SSL certificate?






5. If you want a specific action to take place when user01 logs in to the system - which file would you edit?






6. What is the main config file for the DHCP service?






7. Can you name the two commands that can be used to view the free space on the system?






8. What port does the Apache web server run on - What about HTTPS?






9. The ______________ for Red Hat Enterprise Linux 5 or 6 includes the use of LVM.






10. There are four types of DNS servers. Name them.






11. Which file shows you all the client IP addresses?






12. What is SSH used for?






13. What command can be used to easily list all the options in the FTP main config file?






14. What command can you use to manage system services?






15. What command and option do you use to view the description of Boolean values?






16. What three components are needed to fully automate a kickstart installation?






17. What command (and options) can be used to create a user named George with the description "Jr Admin"?






18. What command can you use to test the config files before starting the DNS service?






19. What is the virsh command used for?






20. What two commands are special for dealing with user login events?






21. What option is used with both the fdisk and parted commands to display the current partition tables?






22. In Red Hat Enterprise Linux 6 - the default for SELinux is _______________ (which can be changed after the installation completes). For Red Hat Enterprise Linux 5 - you were able to choose what mode you wanted SELinux to start in.






23. What benefit does a web proxy provide to your network?






24. What client-side command can you use to test your FTP server connection?






25. Which log file is used to keep track of policy violations?






26. What is VNC?






27. What port does the DHCP server listen on by default?






28. What command can you use to query Boolean values?






29. What are the three modes in which the rpm command can operate?






30. Are additional packages besides httpd required for a secure website - If so - what are they?






31. For Red Hat Enterprise Linux 6 - SELinux comes set up in enforcing mode. When installing Red Hat Enterprise Linux 5 - you have the option to...


32. By default - what is the path to a user's home directory?


33. What is PAM used for?






34. Is it possible to share files among groups - What permissions would you set on the directory to accomplish file sharing if possible?






35. Should you allow remote root access - Why or why not?


36. How can you verify the status of the SSH service after the system has booted?






37. What option at the GRUB boot menu can you use to append something to a kernel?






38. What command can you use to view the current ACL on a file?






39. To export directories as resources - what file needs to be edited?


40. What does the testparm command do?






41. What critical step must you take after updating the kernel to a newer version?






42. Samba servers can...






43. What command can you use to monitor and troubleshoot network connections?






44. What command can you use to create a file system?






45. It is possible to run scripts before a kickstart installation. This is done by...






46. What command is used to change the mail server from Sendmail to Postfix (useful only if you have both installed)?






47. What options with the yum command would you use to remove a package?






48. Which remote management service is installed by default?Can you name the port that it uses?






49. How do you run a command with elevated privileges?






50. Through its main config file - SSH can be configured to...