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






2. How can virtual hosts be used?






3. What is SSH used for?






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






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






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






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






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






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






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






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






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






13. A service needs to have _______________ to be able to use it.






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






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






16. A slave DNS server provides...






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






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






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






20. The at command is used to ____________. The cron service handles reoccurring system jobs.






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






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






23. There are four types of DNS servers. Name them.






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






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






26. What is a virtual host?






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






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






29. What port does NFS use by default?






30. The exportfs command is used to...






31. Before you work with quotas - what do you need to do to the file system?






32. To grow a file system






33. What is the main config file for the DHCP service?






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






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






36. What is the name of the package used to install an FTP?






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






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






39. You must dictate the ____________ you want allocated to your virtual machine when you create it.






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






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






42. Which version of SSH should you use?






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






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






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






46. What is the last rule in the iptables file?

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






48. FTP is one of three protocols ______________. The other two protocols are NFS and HTTP.






49. What is the xinetd service used for?






50. What is the point of using SELinux?







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