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 NAT - How is it used?






2. What command do you use to report information on quota usage?






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






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






5. What is the point of using SELinux?






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






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






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






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






10. What is the benefit of using public/private key authentication?


11. What is the difference between an A record and a PTR record?






12. What is VNC?






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






14. What option would you use to query an installed package using the rpm command?






15. Red Hat Enterprise Linux 6 is the only version that officially supports _______






16. What three protocols can you use to perform network installations?






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


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






19. The firewall service is...






20. What command and option can you use to enable a service to start on boot?






21. What is the top command used for?






22. What is the superblock used for?






23. What option is used to allow anonymous uploads to the FTP server?






24. What command is used to create an RPM package?






25. Most boot issues can be resolved by...






26. What command can you use to validate the syntax of the Apache config file?






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






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






29. What file is used to maintain custom parameters for the kernel during system boot?






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


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






32. What command can you use to get information about logical volumes?






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






34. What is a virtual host?






35. What does virsh reboot Client04 do?






36. What is PAM used for?






37. What happens if you call the command from question 3 with the -c option after it has already been run?






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






39. 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...


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






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






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






43. If a package is built on an RHEL6 system and deployed to a custom RHEL5 repository - are RHEL5 systems able to use it?






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






45. What does the partprobe command do?






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






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






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






49. What three commands can you use to help verify that the DNS server is functioning properly?






50. What is the xinetd service used for?