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






2. What does the testparm command do?






3. What are the three items that make up LVM?






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

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5. How do you run a command with elevated privileges?






6. The exportfs command is used to...






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






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






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






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






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






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






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






14. What is the xinetd service used for?






15. What port does the SMTP service run on?






16. What command can you use to create a file system?






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






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






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






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






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






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






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






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






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






26. What is the rndc utility used for?






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






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






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






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

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31. What port does the Apache web server run on - What about HTTPS?






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






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






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






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






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






37. SSH does...






38. To create a RAID or LVM partition using kickstart






39. What is the point of using SELinux?






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






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






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






43. What option needs to be used with the mount command to mount an NFS resource?






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






45. What does ifconfig 172.168.1.100 netmask 255.255.255.0 eth1 do?






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






47. The at command is used to ____________. The cron service handles reoccurring system jobs.






48. What is VNC?






49. What are the two config files for Postfix called?






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







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