Test your basic knowledge |

Instructions:
  • Answer 50 questions in 15 minutes.
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  • 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 ______________ for Red Hat Enterprise Linux 5 or 6 includes the use of LVM.






2. What does ifconfig 172.168.1.100 netmask 255.255.255.0 eth1 do?






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

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






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






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






7. What command and option can you use to enable a service to start on boot?






8. How can you change the security context of a directory to work with Apache?






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






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






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






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






13. What command and options can you use to update the time?






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






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






16. How can you check the currently mounted file systems?






17. What two commands are used for package management?






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






19. What options with the yum command would you use to remove a package?






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






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






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






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






24. What is the xinetd service used for?






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






26. What does the rdnc-confgen command do?






27. What does the partprobe command do?






28. What command displays your current interfaces and IP address?






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

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30. What is the top command used for?






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






32. What command is used to change the mail server from Sendmail to Postfix (useful only if you have both installed)?






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






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






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






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






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






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






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






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






41. What protocols are used with Dovecot?






42. What is a virtual host?






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






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






45. What option would you use to query an installed package using the rpm command?






46. 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.






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






48. What port does the Apache web server run on - What about HTTPS?






49. What is VNC?






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







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