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 command can you use to create a new SSL certificate?






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






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






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






5. What is the benefit to using centralized authentication?

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






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






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






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






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






11. What does ifconfig 172.168.1.100 netmask 255.255.255.0 eth1 do?






12. To create a RAID or LVM partition using kickstart






13. What is NAT - How is it used?






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

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






16. Explain the difference between soft and hard limits in quotas.

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17. The exportfs command is used to...






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






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






20. SSH does...






21. How can virtual hosts be used?






22. What is the superblock used for?






23. In Red Hat Enterprise Linux 6 - the default for SELinux is _______________ (which can be changed after the installation completes). For Red Hat Enterprise Linux 5 - you were able to choose what mode you wanted SELinux to start in.






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






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






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






27. What protocols are used with Dovecot?






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






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






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






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






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






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






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






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






36. What command and option can you use to enable a service to start on boot?






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






38. By default - what is the path to a user's home directory?

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






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






41. What is VNC?






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






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






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






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






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






47. What is the name of the package used to install an FTP?






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






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






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







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