Test your basic knowledge |

Redhat Linux Administration

Subject : it-skills
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. use grep to count how many repositories have been configured in the file server1.repo






2. To list under which run levels the web service will start






3. ___ will tell me if any files in the pam package have changed since it was first installed






4. To verify integrity of an rpm package - ____/rpm-gpg/RPM-GPG-KEY-redhat-release






5. if you want to create a database file named webpass in the /etc/httpd directory - for user "e" - you'd start with the following command:






6. how to install both mod_ssl and squid packages






7. You can check the status of your share. If it's working - you should see the contents of the /etc/exports directory when you run the following command:






8. The rpm ____ option installs the package - if it isn't already installed.






9. The default Red Hat Enterprise Linux firewall blocks access to an NFS server. While inelegant - the following command "flushes -" or turns off - the standard Linux firewall from the local computer.






10. ___________ can be on a RAID device






11. For linux ext2 there is an easier way than using resize2fs. LVM 1 ships with a utility called __________ which does the lvextend and resize2fs for you (it can also do file system shrinking)






12. create a usb boot disk if the usb stick is /dev/sdc and the file you need is in your present directory






13. ___ shows me what config files were installed when the httpd package was installed






14. Virtual Host Configuration: Creates an error log; the location is based on the DocumentRoot.






15. for http - if you implement "UserDir public_html" - you need to also ____ /home/michael if you want /home/michael/public_html accessible






16. ____ is used for creating ext2 and ext3 file systems






17. ____.com - ____.net - and ____.org domains are generic domain names that can't be assigned on the Internet. You can therefore use any of these domain names on your private network.






18. ____ configuration is not available via text mode RHEL installation.






19. ____ prints superblock and block group information.






20. Virtual Host Configuration: Specifies an IP address for multiple virtual hosts.






21. You need to configure firewalls and allow SELinux access in appropriate ways. Firewalls must allow access to the standard HTTP port - 80. SELinux must be configured to "Allow HTTPD To Read Home Directories". Finally - the ACL must be revised accordin






22. This line placed in /etc/hosts.deny denies all services except TFTP to computers in the example.org domain






23. Virtual Host Configuration: Assigns an e-mail address for the specified virtual host.






24. for SELinux - you'll at least want to use the Security Level Configuration tool to activate the Allow Squid Daemon To Connect To The Network option - also known as the squid_connect_any boolean. Alternatively - you can activate this boolean with the






25. As you may not have access to the GUI during the Red Hat exams - you need to know how to use text-based browsers. The standard is ____






26. The most straightforward way to make sure Apache starts in bootlevels 3 and 5






27. ;'___ /var/www' will tell you the ACL settings of /var/www






28. use parted to display disk geometry for /dev/hda and end up in shell






29. after you edit /etc/exports - run service ___ stop...






30. If you configure other directories for Web services - you'll need to change their ACL settings. For example - if you create and then use the /www directory - run the following commands:






31. Some computers built before 1998 may have a BIOS that limits access to hard disks beyond the 1024th cylinder. Some older BIOSs report only 1024 cylinders on a hard drive no matter how many actual cylinders are present. Computers that are subject to t






32. rpm option to show me the package files






33. ____ is used to modify file system parameters






34. To select a different device without having to restart parted - use the ____ command . Then - you can view its partition table or configure it.






35. This line placed in /etc/hosts.deny sends a customized error message for Telnet users on the crack.org domain saying sorry [insert client info] - access denied






36. This line: in /etc/hosts.allow: telnetd : 172.16.72.0/255.255.254.0 is ____






37. If you want to add an iptables command to forward TCP port 80 traffic to TCP port 3128 - you would use the following:






38. for http - if you implement "UserDir public_html" - you need to also ____ /home/michael/public_html if you want /home/michael/public_html accessible






39. ____ can expand and shrink ext2 and ext3 file systems






40. The simplest way to install Apache






41. rpm ____ verifies the installed zip rpm against the rpm database






42. You can use the ____ tool after installation to add any package groups that you missed.






43. To update a kernel - 1) ____ 2) boot new kernel to test 3) revert to old kernel if problems 4) yum remove kernel-oldversion if no problems






44. output from ____ is: Disk /dev/cciss/c0d0: 36.4 GB - 36414750720 bytes... plus listing of partitions - for each physical drive






45. Virtual Host Configuration: Names the URL for the virtual host.






46. Perform a simple check of the file system. minor-num is x.






47. List sboth the client hostname or IP address and mounted directory in host:dir format. This info should not be considered reliable.






48. You just finished editing your /etc/yum.repos.d/*repo file and want yum to use the new info - so you run ____






49. Run the ____ command to find the device associated with the USB key.






50. ___ http://devmon.dev.schwab.com/index.html will make a local copy of the index.html file from devmon