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 the /etc/hosts file used for?

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






3. What is the superblock used for?






4. What does the rdnc-confgen command do?






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






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






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






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






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






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






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






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






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






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

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15. A slave DNS server provides...






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






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






18. Through its main config file - SSH can be configured to...

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






20. What command can you use to view NFS statistics?






21. How can virtual hosts be used?






22. What port does the DHCP server listen on by default?






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






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






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






26. What two commands are special for dealing with user login events?






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






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






29. Where are Yum repository config files located?






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






31. What does the testparm command do?






32. What is the difference between an ext2 and ext3 file system?

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






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






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






36. The virt-install package allows you to manage virtual machines _____________. The virt-manager package allows you to manage virtual machines via a GUI interface.






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






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

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






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






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






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






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






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






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






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






47. What does S12rsyslog in the /etc/rc.d/rc2.d directory mean?






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






49. How would you go about creating a static route?






50. What is a virtual host?