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. The exportfs command is used to...






2. What is SSH used for?






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






4. The old SysInit scripts have been replaced in Red Hat Enterprise Linux 6 for what new boot utility?






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






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






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






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


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






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






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






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






13. What two commands are used for package management?






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






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






16. Which version of SSH should you use?






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






18. What is the xinetd service used for?






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






20. What does the rdnc-confgen command do?






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






22. What is the last rule in the iptables file?


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






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






25. What are the five required directories when building RPMS?






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






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






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






29. 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...






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






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






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






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






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






35. Place all files you want added to a _______________ during creation.


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


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






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






39. What is the top command used for?






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






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






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






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






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






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






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






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






48. What does the testparm command do?






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






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