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 command is used to create a user for Samba?






2. What command disables the SSH service from running when the system boots?






3. What command and options can you use to update the time?






4. What command can you use to view NFS statistics?






5. A slave DNS server provides...






6. What is the /etc/vsftpd/user_list file used for?






7. How would you view all Boolean options for the HTTP service?






8. What is the name of the package that allows you to install VNC?






9. How can you list all services on the system to tell whether they will boot during startup?






10. The portmap service was replaced by the ______________ in Red Hat Enterprise Linux 6.






11. What option needs to be used with the mount command to mount an NFS resource?






12. Runlevel 0 ___________. Runlevel 6 reboots the system.






13. Which file contains all messages generated during installation that can be used for troubleshooting if the need arises?






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






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






16. What is the rndc utility used for?






17. What command-line program can you use to check your mail?






18. What command can you use to change the context of files?






19. What is the point of using SELinux?






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






21. What command displays your current interfaces and IP address?






22. How would you disable SELinux protection for NFS - allowing shares to be read/write?






23. What are the two config files for Postfix called?






24. Before you work with ACLs - what do you need to do to the file system?






25. What port on the firewall needs to be open for the TFTP server to work?






26. What port does the rndc utility listen on by default?






27. The INPUT chain being used is the default under Red Hat Enterprise Linux 5. This rule...






28. What happens if a host changes its IP address and the keys don't match?

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29. What does the partprobe command do?






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






31. What does S12rsyslog in the /etc/rc.d/rc2.d directory mean?






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






33. What does the testparm command do?






34. What is the /etc/hosts file used for?

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






36. What does the following firewall rule accomplish: iptables -I INPUT 5 -p tcp -m tcp --dport 80 -j ACCEPT?






37. How can you check the currently mounted file systems?






38. What is the name of the section used to run scripts after a kickstart installation?






39. What are the two types of back-end authentication mechanisms discussed in this chapter?






40. What is VNC?






41. The exportfs command is used to...






42. What command would you use to create a group - to add the user George to the group?






43. What is the difference between the update (-U) and install (-i) options when using rpm to update the kernel?






44. What is the name of the package used to install an FTP?






45. What does it mean if you ping a host and you receive the response Destination Unreachable?






46. What are the three items that make up LVM?






47. What command can you use to create a password-protected page?






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






49. What command can be used to view the queue for at service jobs?






50. What is PAM used for?