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






2. rpm ____ to install kernel updates






3. 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






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






5. 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






6. 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 ____






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






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






9. 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






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






11. 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:






12. _____ will change the size of /dev/rootvg/tmplv to 4 gig






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






14. To check status of ftp daemon






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






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






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






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






19. 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






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






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






22. ___________ can be on a RAID device






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






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






25. 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






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






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






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






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






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






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






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






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






34. 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






35. 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






36. 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)






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






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






39. 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)






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






41. 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






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






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






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






45. ____ is used to modify file system parameters






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






47. create the basic cache directories in /var/spool/squid with the following command:






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






49. 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.






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