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. 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






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






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. ______ will show me volume info including vg - size - etc of /dev/rootvg/tmplv






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






6. 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






7. logical partitions on a hard drive always start with number ____; on the first PATA/IDE hard drive on a PC - that is hda____.






8. Apache supports security by specifying active ports through the Listen and ____ directives.






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






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






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






12. 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:






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






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






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






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






17. rpm ____ to install kernel updates






18. 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






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






20. SELinux must be configured to Allow HTTPD To Read Home Directories. (Alternatively - activate the httpd_enable_homedirs boolean with the __ command.)






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






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






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






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






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






26. 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






27. 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.






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






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






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






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






32. ___________ can be on a RAID device






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






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






35. 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 ____






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






37. rpm option to show me the package files






38. use grep to count how many repositories have been configured in the file server1.repo






39. 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






40. 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






41. You ran "e2label /dev/sda" and got "bad magic number" Why?






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






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






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






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






46. Create a disk label for the partition table called k






47. The simplest way to install Apache






48. 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:






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






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