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. 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:






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






3. rpm ____ to install kernel updates






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






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






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






7. ____ is used to modify file system parameters






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






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






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






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






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






13. rpm option to show me the package files






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






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






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






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






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






19. 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)






20. The simplest way to install Apache






21. 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:






22. 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






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






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






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






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






28. 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:






29. 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






30. ____ prints superblock and block group information.






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






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






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






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






35. 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






36. 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






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






38. 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






39. 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






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






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






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






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






44. 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 ____






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






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






47. 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.






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






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






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