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

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






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






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






5. The default SMTP service has been changed from _________ to Postfix in Red Hat Enterprise Linux 6.






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






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






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






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






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

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






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






13. The ____________ is available for each share.






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

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15. What is NAT - How is it used?






16. To grow a file system






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






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






19. What does virsh reboot Client04 do?






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






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






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






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

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24. You must dictate the ____________ you want allocated to your virtual machine when you create it.






25. What command can you use to test connectivity to another host?






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






27. If you want a specific action to take place when user01 logs in to the system - which file would you edit?






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






29. What does the rdnc-confgen command do?






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






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






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






33. What are SELinux Booleans?






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






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






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






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






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






39. Can you name three utilities that can be used for network or DNS client troubleshooting?






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






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






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






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






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






45. Which log file is used to keep track of policy violations?






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






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






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






49. The ______________ for Red Hat Enterprise Linux 5 or 6 includes the use of LVM.






50. What commands can you use to add a client machine to an LDAP server?