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. The RPM database also maintains an MD5 checksum of each file. With the checksum - you can use the ____ package command to determine whether any file from that RPM package has changed.






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






3. This line looks deceptively simple; it limits what readers see about your Web server when you browse to a nonexistent page. If you don't use this command - outsiders can see whether you've loaded modules such as Perl - Python - and PHP. Sharing this






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






5. Virtual Host Configuration: Creates an custom log; the location is based on the DocumentRoot. (from http://www.books24x7.com/book/id_18196/viewer.asp?bookid=18196&chunkid=218985502)






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






7. The simplest way to install Apache






8. in httpd.conf - "____ None" disables any .htaccess files. Otherwise - .htaccess can allow others to administer your server - starting from the DocumentRoot directory. If .htaccess is in a subdirectory - such as /var/www/html/data/ - the additional di






9. 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:






10. The main Squid configuration file is ____/squid.conf






11. 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






12. rpm ____ to install kernel updates






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






14. rpm ____ [name of package] to verify the package - once you have manually imported the key






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






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






17. ____ is used to modify file system parameters






18. To check status of ftp daemon






19. Virtual Host Configuration: Sets a root directory for the virtual host.






20. ___ to update the httpd package - automatically answering yes to all the questions






21. It's much more difficult and much more time-consuming to revise partitions with utilities such as ____ or parted after RHEL is installed.






22. rpm ____ verifies all installed rpms against the rpm database






23. When you configure Squid on your system - you need to allow access through appropriate ports and SELinux settings. The simplest approach with respect to Squid configuration assumes that all clients use the default Squid port 3128 - using TCP - where






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






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






26. ___________ can be on a RAID device






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






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






29. This line placed in /etc/hosts.deny will mean that only computer allowed to access our Telnet server has an IP address of 192.168.1.10






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






31. rpm option to show me the package files






32. 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






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






34. after extending file system "homevol" - unmount it and then run _____ to make the filesystem size match the new larger volume.






35. when an rpm install fails for xxxx because the same version is already apparently installed - run ____ to just install it all again






36. 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






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






38. The file that might contain: oldvg - rootvg - etc.






39. rpm ____ to import the rpm key for integrity checking






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






41. 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:






42. 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 ____






43. ____ prints superblock and block group information.






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






45. 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






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






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






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






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






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