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 two ports should be opened on the firewall for the FTP server to function properly?






2. What is the xinetd service used for?






3. What command can you use to view mounted Samba shares?






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






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






6. 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.






7. What command can you use to check the config file of the DHCP server?






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






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






10. Do you need to write changes to the disk when using the parted command? What about fdisk?






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






12. What is a swap? Is it created as a partition or device file?






13. What command can you use to create your own repositories?






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






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






16. Does a DHCP server allow reserved IP addresses - If so - how?






17. GRUB has three stages. Can you name them?






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






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






20. What port does the SMTP service run on?






21. What is the benefit to using centralized authentication?

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22. Where are Yum repository config files located?






23. What happens to jobs that are scheduled to run while the system is off?






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






25. What is SSH used for?






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






27. The at command is used to ____________. The cron service handles reoccurring system jobs.






28. What command is used to create a user for Samba?






29. How can you display all virtual guests after they're connected to a hypervisor?






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






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






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






33. The virt-install package allows you to manage virtual machines _____________. The virt-manager package allows you to manage virtual machines via a GUI interface.






34. What is the rndc utility used for?






35. What directory is used to represent the virtual file system created by the kernel?






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






37. The firewall service is...






38. Which version of SSH should you use?






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






40. The package selection screen allows you to install any software you want during the installation process as long as...






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






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






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






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






45. What is the format of the /etc/shadow file?






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






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

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






49. FTP is one of three protocols ______________. The other two protocols are NFS and HTTP.






50. What is a virtual host?