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. 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.






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






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






4. What does the following firewall rule accomplish: iptables -I INPUT 5 -p tcp -m tcp --dport 80 -j ACCEPT?






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






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






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






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






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






10. What port does the SMTP service run on?






11. What command can you use to check the config file of the DHCP server?






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






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






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






15. A slave DNS server provides...






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






17. What two commands are used for package management?






18. What is the /etc/vsftpd/user_list file used for?






19. The virt-install package allows you to manage virtual machines _____________. The virt-manager package allows you to manage virtual machines via a GUI interface.






20. 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...


21. What option is used with both the fdisk and parted commands to display the current partition tables?






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






23. What is the default port that Squid runs on?






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






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






26. What is the format of the /etc/shadow file?






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






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






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






30. What is the top command used for?






31. Runlevel 0 ___________. Runlevel 6 reboots the system.






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






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






34. Can you name the two commands that can be used to view the free space on the system?






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






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






37. Before you work with quotas - what do you need to do to the file system?






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






39. What is NAT - How is it used?






40. To create a RAID or LVM partition using kickstart






41. Where are Yum repository config files located?






42. The exportfs command is used to...






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


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






45. How can you list all services on the system to tell whether they will boot during startup?






46. How can virtual hosts be used?






47. Samba servers can...






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






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






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