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. A service needs to have _______________ to be able to use it.






2. What does the testparm command do?






3. What is the virsh command used for?






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






5. What are the three different types of RAID described in this chapter?






6. A PXE server eases the automation process but isn't required for...






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






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






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






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






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






12. SSH does...






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






14. How can virtual hosts be used?






15. Editing the /etc/xinetd.d/tftp file and enabling the service are the same as running the chkconfig tftp on command. Both of these actions...






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






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






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






19. Before you work with quotas - what do you need to do to the file system?






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






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






22. What file needs to be edited so that the system will mount a file system at boot time?






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






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






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






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






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






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






29. What is the biggest benefit to using LVM over basic partitions?






30. What command can you use to view system processes and their CPU usage?






31. Samba servers can...






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






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






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






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






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






37. How would you install a group of packages all at a single time?






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






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






40. 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...


41. What is the point of using SELinux?






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






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






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






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






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






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






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






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






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