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 is SSH used for?






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






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






4. Are additional packages besides httpd required for a secure website - If so - what are they?






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






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






7. Which remote management service is installed by default?Can you name the port that it uses?






8. What does virsh reboot Client04 do?






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






10. What three protocols can you use to perform network installations?






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






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






13. What is the difference between an A record and a PTR record?






14. What command would you use to create a group - to add the user George to the group?






15. What command is used to create a user for Samba?






16. What is a virtual host?






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

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






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






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






21. What is the xinetd service used for?






22. What is NAT - How is it used?






23. What command can you use to change the context of files?






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

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25. The exportfs command is used to...






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






27. What command can you use to test connectivity to another host?






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






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






30. Can you name three utilities that can be used for network or DNS client troubleshooting?






31. What command can you use to view the current ACL on a file?






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






33. Editing the /etc/xinetd.d/tftp file and enabling the service are the same as running the chkconfig tftp on command. Both of these actions...






34. What does the partprobe command do?






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

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






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






38. What command is used to create an RPM package?






39. How would you install a group of packages all at a single time?






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






41. For Red Hat Enterprise Linux 6 - SELinux comes set up in enforcing mode. When installing Red Hat Enterprise Linux 5 - you have the option to...

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






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






44. What is PAM used for?






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






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

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47. What two ports should be opened on the firewall for the FTP server to function properly?






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






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






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