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






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


3. What is the benefit to using centralized authentication?


4. What does the rdnc-confgen command do?






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






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






7. The portmap service was replaced by the ______________ in Red Hat Enterprise Linux 6.






8. A PXE server eases the automation process but isn't required for...






9. What file is used to maintain custom parameters for the kernel during system boot?






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


11. What port does NFS use by default?






12. What command and option do you use to view the description of Boolean values?






13. What does ifconfig 172.168.1.100 netmask 255.255.255.0 eth1 do?






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






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






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


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






18. What is VNC?






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






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






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






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






23. What port does the SMTP service run on?






24. What command can you use to check the config file of the DHCP server?






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






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






27. What is SSH used for?






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






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






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






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






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


33. What are the side effects of shrinking a volume group or logical volume?






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






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






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






37. What is the virsh command used for?






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






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


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






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






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






43. The ____________ is available for each share.






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


45. What does the testparm command do?






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






47. To create a RAID or LVM partition using kickstart






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






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






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