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

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2. SSH does...






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






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






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






6. What is the xinetd service used for?






7. To grow a file system






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






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






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






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

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






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






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






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

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16. What port does NFS use by default?






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






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






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






20. The old SysInit scripts have been replaced in Red Hat Enterprise Linux 6 for what new boot utility?






21. How can virtual hosts be used?






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






23. What is SSH used for?






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






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






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






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

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28. What is the top command used for?






29. What two commands are used for package management?






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






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

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32. 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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33. What is NAT - How is it used?






34. What does the testparm command do?






35. What does virsh reboot Client04 do?






36. Does a DHCP server allow reserved IP addresses - If so - how?






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






38. What is the superblock used for?






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






40. The ____________ is available for each share.






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






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






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






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






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






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






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






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






49. What command-line program can you use to check your mail?






50. Samba servers can...







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