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 does the partprobe command do?






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






3. The INPUT chain being used is the default under Red Hat Enterprise Linux 5. This rule...






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






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






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

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






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

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






10. Where are Yum repository config files located?






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






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






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






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






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






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






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






18. What command is used to show all services being controlled by the xinetd daemon?






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






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






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






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

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23. What is the superblock used for?






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






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






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

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27. SSH does...






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






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

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






31. It is possible to run scripts before a kickstart installation. This is done by...






32. What command can you use to manage system services?






33. The exportfs command is used to...






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






35. What command can you use to query information from the kernel about RAID arrays?






36. What command can you use to create a new SSL certificate?






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






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






39. What is the top command used for?






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






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






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






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






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






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

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






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






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






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






50. What three commands can you use to help verify that the DNS server is functioning properly?







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