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 the benefit to using centralized authentication?

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2. How can virtual hosts be used?






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

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4. What are SELinux Booleans?






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

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6. What option can you change in the rsyslog config file to accept remote logs (acting as a centralized logging server)?






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






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






9. Where are Yum repository config files located?






10. What is the xinetd service used for?






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






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






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






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






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






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






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






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






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






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






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

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






23. The ______________ for Red Hat Enterprise Linux 5 or 6 includes the use of LVM.






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






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






26. The firewall service is...






27. What is a swap? Is it created as a partition or device file?






28. What command can you use to view system processes and their CPU usage?






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






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






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






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






33. What does the partprobe command do?






34. How can you display all virtual guests after they're connected to a hypervisor?






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






36. What are the five required directories when building RPMS?






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






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






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

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






41. The ____________ is available for each share.






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






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






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






45. To create a RAID or LVM partition using kickstart






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






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






48. Is it possible to share files among groups - What permissions would you set on the directory to accomplish file sharing if possible?






49. What is VNC?






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







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