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 last rule in the iptables file?

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2. What is the /var/lib/nfs/etab file used for?






3. The firewall service is...






4. What option is used with both the fdisk and parted commands to display the current partition tables?






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






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






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






8. What happens to jobs that are scheduled to run while the system is off?






9. What command can you use to get information about logical volumes?






10. SSH does...






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






12. What is the default port that Squid runs on?






13. The package selection screen allows you to install any software you want during the installation process as long as...






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






15. What is the benefit to using centralized authentication?

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16. What does the rdnc-confgen command do?






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






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






19. Samba servers can...






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






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






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






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






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






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






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

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27. What command can you use to create a file system?






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






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






30. What are the three items that make up LVM?






31. What option needs to be used with the mount command to mount an NFS resource?






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






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

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






35. 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...

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






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






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






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






40. What option can you change in the rsyslog config file to accept remote logs (acting as a centralized logging server)?






41. What is the point of using SELinux?






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

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






44. If a package is built on an RHEL6 system and deployed to a custom RHEL5 repository - are RHEL5 systems able to use it?






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






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






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






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






49. What command can you use to view the current ACL on a file?






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







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