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






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






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






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






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






6. 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:






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






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






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






10. 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)






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






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






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






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






15. 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.






16. 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:






17. 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






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






19. To check status of ftp daemon






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






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






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






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. Create a disk label for the partition table called k






25. 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 ____






26. 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






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






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






29. ____.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.






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






31. 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






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






33. rpm option to show me the package files






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






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






36. 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






37. ____ is used to modify file system parameters






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






39. rpm ____ to install kernel updates






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






41. The simplest way to install Apache






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






43. 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






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






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






46. 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






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






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






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






50. 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