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






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






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






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






5. rpm option to show me the package files






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






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






9. ____.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.






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






11. ___________ can be on a RAID device






12. 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






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






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






15. 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:






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






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






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






19. 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






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






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






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






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






25. The simplest way to install Apache






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






27. 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:






28. 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.






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






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






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






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






33. 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 ____






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






35. ____ prints superblock and block group information.






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






37. how to install both mod_ssl and squid packages






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






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






40. 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






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






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






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






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






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






46. 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)






47. 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






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






49. rpm options include rpm -q [package name] or rpm -qf [path/file] or rmp -q____






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