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-line program can you use to check your mail?






2. What is the rndc utility used for?






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






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

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






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






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






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






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






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






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






12. Can you put your /boot partition on a RAID 5 array?






13. What port does NFS use by default?






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






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






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






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






18. What does ifconfig 172.168.1.100 netmask 255.255.255.0 eth1 do?






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






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






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






22. Are additional packages besides httpd required for a secure website - If so - what are they?






23. What command (and options) can be used to create a user named George with the description "Jr Admin"?






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






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






26. What is NAT - How is it used?






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






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






29. What happens if a host changes its IP address and the keys don't match?

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






31. What command can you use to get information about logical volumes?






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






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






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






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

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






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

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






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






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






41. What options with the yum command would you use to remove a package?






42. What is the point of using SELinux?






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






44. How can virtual hosts be used?






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






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






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






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






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






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