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 ____________ is available for each share.






2. Explain the difference between soft and hard limits in quotas.

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3. Should you allow remote root access - Why or why not?

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4. The exportfs command is used to...






5. What port must be opened on the firewall for DNS?






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






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






8. What is the benefit to using centralized authentication?

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






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






11. SSH does...






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






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






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






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






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






17. What is VNC?






18. Which version of SSH should you use?






19. 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.






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






21. How do you run a command with elevated privileges?






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






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






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






25. Which file shows you all the client IP addresses?






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






27. What is the xinetd service used for?






28. To grow a file system






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






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






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






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






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






34. What does the partprobe command do?






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






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






37. What port does NFS use by default?






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






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






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






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






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






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






44. What does virsh reboot Client04 do?






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






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






47. Can you put your /boot partition on a RAID 5 array?






48. How would you view all Boolean options for the HTTP service?






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






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