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 port does NFS use by default?






2. What is a gateway used for on a network?






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






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






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






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






7. What is the rndc utility used for?






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






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






10. What is the superblock used for?






11. What protocols are used with Dovecot?






12. What command can you use to test the config files before starting the DNS service?






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






14. What are the three modes in which the rpm command can operate?






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






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

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






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






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






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






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






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






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






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






25. What are the two types of back-end authentication mechanisms discussed in this chapter?






26. What does the rdnc-confgen command do?






27. Samba servers can...






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






29. SSH does...






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






31. What is SSH used for?






32. What port does the SMTP service run on?






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






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






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






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






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






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






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






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






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






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






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






44. What is the top command used for?






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






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






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






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






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






50. Should you allow remote root access - Why or why not?

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